112221012112 has 20 divisors (see below), whose sum is σ = 237194412336. Its totient is φ = 51009550880.

The previous prime is 112221012107. The next prime is 112221012131. The reversal of 112221012112 is 211210122211.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 318809518 + ... + 318809869.

Almost surely, 2^112221012112 is an apocalyptic number.

It is an amenable number.

112221012112 is an abundant number, since it is smaller than the sum of its proper divisors (124973400224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112221012112 is a wasteful number, since it uses less digits than its factorization.

112221012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637619406 (or 637619400 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112221012112 its reverse (211210122211), we get a palindrome (323431134323).

The spelling of 112221012112 in words is "one hundred twelve billion, two hundred twenty-one million, twelve thousand, one hundred twelve".