220112122112 has 36 divisors (see below), whose sum is σ = 439525663500. Its totient is φ = 110015674368.

The previous prime is 220112122099. The next prime is 220112122207. The reversal of 220112122112 is 211221211022.

It can be written as a sum of positive squares in 2 ways, for example, as 13036158976 + 207075963136 = 114176^2 + 455056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547358 + ... + 860130.

Almost surely, 2^220112122112 is an apocalyptic number.

It is an amenable number.

220112122112 is a deficient number, since it is larger than the sum of its proper divisors (219413541388).

220112122112 is an equidigital number, since it uses as much as digits as its factorization.

220112122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315538 (or 315524 counting only the distinct ones).

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

Adding to 220112122112 its reverse (211221211022), we get a palindrome (431333333134).

The spelling of 220112122112 in words is "two hundred twenty billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twelve".