## Untrigintatrecentillion

A Untrigintatrecentillion (1 Untrigintatrecentillion) is 10 to the power of 996 (10^996). This is an exorbitantly astronomical number!

## How many zeros in a Untrigintatrecentillion?

There are 996 zeros in a Untrigintatrecentillion.

## What's before Untrigintatrecentillion?

A Trigintatrecentillion is smaller than a Untrigintatrecentillion.

## What's after Untrigintatrecentillion?

A Duotrigintatrecentillion is larger than a Untrigintatrecentillion.

## Untrigintatrecentillionaire

A Untrigintatrecentillionaire is someone whos assets, net worth or wealth is 1 or more Untrigintatrecentillion. It is unlikely anyone will ever be a true Untrigintatrecentillionaire. If you want to be a Untrigintatrecentillionaire, play Tap Tales!

## Is Untrigintatrecentillion the largest number?

Untrigintatrecentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

## Untrigintatrecentillion written out

Untrigintatrecentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

## Big Numbers

This is just one of many really big numbers!