Multillion

The multillion is equal to \(10^{3\cdot 10^{3\cdot 10^{3\cdot\text{tredecillion}}} + 3}\), or \(10^{3 \cdot 10^{3 \cdot 10^{3 \cdot 10^{42}}} + 3}\). Currently, it is the largest named -illion number that Jonathan Bowers has coined.