A fzgoogolplex is a googolplex to the power of a googolplex = \( ext{googolplex}^{ ext{googolplex}} = 10^{10^{10^{100}+100}}\). Although Fzgoogolplex seems only "slightly" larger than a googolduplex, it is actually equal to googolduplexgoogol. Thus, arithmetically it is vastly larger.