Googilliard

Googilliard or Thousand Googoltillion is the value of 1 googol being used in the -illion/illiard naming system. The number would be approximately equal to

$$10^{6 \times 10^{100} + 3}$$

it would have over 6 times as many zeroes as Googolplex

the next step up is Googolplexillion