2,028,011
It is: 11 = XI
11,000,000
You would write is as... 11000000, 11,000,000 or 11 000 000 - depending on your preference.
11 x 11 = 121
XI-I-MMX
3/11
10 = x 11 = xi 12 = xii
2 x 11 = 22
33 = 3 x 11
It is: 2*2*11 = 44
It is: 3*3*11 = 99
33 = 3 x 11