221020120120112 has 10 divisors (see below), whose sum is σ = 428226482732748. Its totient is φ = 110510060060048.

The previous prime is 221020120120049. The next prime is 221020120120133. The reversal of 221020120120112 is 211021021020122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906878753738 + ... + 6906878753769.

Almost surely, 2^{221020120120112} is an apocalyptic number.

It is an amenable number.

221020120120112 is a deficient number, since it is larger than the sum of its proper divisors (207206362612636).

221020120120112 is a wasteful number, since it uses less digits than its factorization.

221020120120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813757507515 (or 13813757507509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221020120120112 its reverse (211021021020122), we get a palindrome (432041141140234).

The spelling of 221020120120112 in words is "two hundred twenty-one trillion, twenty billion, one hundred twenty million, one hundred twenty thousand, one hundred twelve".