Gargantuulthra

The gargantuulthra is equal to E100##100##100##9 = E100##100##100#100#100#100#100#100#100#100#100 in Extended Hyper-E Notation. The term was coined by Sbiis Saibian.

Etymology
The name of this number is based on the numbers "gargantuuld" and "gugolthra".