22102001112 has 32 divisors (see below), whose sum is σ = 55319831280. Its totient is φ = 7358689920.

The previous prime is 22102001093. The next prime is 22102001113. The reversal of 22102001112 is 21110020122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102001113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519339 + ... + 560282.

Almost surely, 2^22102001112 is an apocalyptic number.

It is an amenable number.

22102001112 is an abundant number, since it is smaller than the sum of its proper divisors (33217830168).

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

22102001112 is a wasteful number, since it uses less digits than its factorization.

22102001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080483 (or 1080479 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22102001112 its reverse (21110020122), we get a palindrome (43212021234).

The spelling of 22102001112 in words is "twenty-two billion, one hundred two million, one thousand, one hundred twelve".