112221012122 has 16 divisors (see below), whose sum is σ = 168858853800. Its totient is φ = 55934813952.

The previous prime is 112221012107. The next prime is 112221012131. The reversal of 112221012122 is 221210122211.

It can be written as a sum of positive squares in 4 ways, for example, as 92173567201 + 20047444921 = 303601^2 + 141589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112221012122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879438 + ... + 2918150.

Almost surely, 2^112221012122 is an apocalyptic number.

112221012122 is a deficient number, since it is larger than the sum of its proper divisors (56637841678).

112221012122 is a wasteful number, since it uses less digits than its factorization.

112221012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43217.

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

Adding to 112221012122 its reverse (221210122211), we get a palindrome (333431134333).

The spelling of 112221012122 in words is "one hundred twelve billion, two hundred twenty-one million, twelve thousand, one hundred twenty-two".