A googolplex is a 1 followed by a googol of zeros.
It's impossible to write out, but in scientific notation it looks like 1 x 1010^100.
Does the number googolplex exist?
A googolplex is the number 10googol, or equivalently, 10. ... Written out in ordinary decimal notation, it is 1 followed by 10100 zeroes; that is, a 1 followed by a googol zeroes.
What is the power of a googolplex?
Later, another mathematician devised the term googolplex for 10 to the power of googol - that is, 1 followed by 10 to the power of 100 zeros.