How many zeros are in googolplex?

Answer

A googol is 1 with 100 zeros.

A googolplex is 1 with a googol of zeros.

A googolplex is 10 to the power of a googol. In other Words, it is 10000000...

for a googol amount of times.

A googolplex is the number 1 followed by 10100 zeros

Per an astronomy show called Cosmic Journeys, if you wrote out all of the zeros of a googolplex in tiny 1 point font, it would stretch beyond the diameter of the observable Universe.