(10^216). This is an extremely gargantuan number!
A Unseptuagintillionaire is someone whos assets, net worth or wealth is 1 or more Unseptuagintillion. It is unlikely anyone will ever be a true Unseptuagintillionaire. If you want to be a Unseptuagintillionaire, play Tap Tales!
Unseptuagintillion is not the largest number.
best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.