A couple charts to show how much experience must be gained before you reach level 100 Paragon.
This is a total of 10,454,400,000 experience from level 1 to level 100.
We will find out soon!
That's 8,167,500 Inferno Dust Imps.
That's 6,534,000 Inferno Hulking Phase Beasts
Keep in mind these are just fun values based off the old Monster EXP values, and may have been updated.
With the 75% NV buff, it would take 1,327,543 mlvl 63 Monsters to get from 0 to 100.
Here is a quick chart to show the experience required to level your character from 51-60