220112122 has 4 divisors (see below), whose sum is σ = 330168186. Its totient is φ = 110056060.

The previous prime is 220112119. The next prime is 220112129. The reversal of 220112122 is 221211022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162792081 + 57320041 = 12759^2 + 7571^2 .

It is not an unprimeable number, because it can be changed into a prime (220112129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55028029 + ... + 55028032.

Almost surely, 2^220112122 is an apocalyptic number.

220112122 is a deficient number, since it is larger than the sum of its proper divisors (110056064).

220112122 is a wasteful number, since it uses less digits than its factorization.

220112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110056063.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 220112122 is about 14836.1761245949. The cubic root of 220112122 is about 603.7836107010.

Adding to 220112122 its reverse (221211022), we get a palindrome (441323144).

The spelling of 220112122 in words is "two hundred twenty million, one hundred twelve thousand, one hundred twenty-two".