You make a big mistake here. That formula is for kilograms so you have to convert grams to kilograms first.
C2 speed of light squared Mass in kilograms Energy in Joules
↓ . ↓ ↓
$${\mathtt{89\,875\,517\,873\,681\,764}}{\mathtt{\,\times\,}}{\mathtt{1\,230}} = {\mathtt{110\,546\,886\,984\,628\,569\,720}}$$
The Energy is in Joules
Units are important because some one might think it is in bullfarts or something.
Put it in this form
1.10547E+20 Joules
to make it easer to read.