Tethratope

The tethratope (also called tethrahecton) is equal to E100#^^#^#100 = E100#^^###...###100 (100 #'s on the right of ^^) in Extended Cascading-E Notation. The term was coined by Sbiis Saibian. Tethratope is comparable to Bowers' humongulus.

Etymology
The name "tethratope" is based on the number tethrathoth and the word "tope", since the general term for a polyhedron, polychoron etc. is a polytope.

The nsme "tethrahecton" is based on the number tethrathoth and the root "hecton", meaning a 100-dimensional figure.