Create Free Account | Log In


A Nonillion (1 Nonillion) is 10 to the power of 30 (10^30). This is an immensely big number!

How many zeros in a Nonillion?

There are 30 zeros in a Nonillion.

What's before Nonillion?

A Octillion is smaller than a Nonillion.

What's after Nonillion?

A Decillion is larger than a Nonillion.


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

Is Nonillion the largest number?

Nonillion 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.

Nonillion written out

Nonillion is written out as:


Big Numbers

This is just one of many really big numbers!

Play Now

Choose your device:

FREE to download and play!