22112111202 has 32 divisors (see below), whose sum is σ = 44591779584. Its totient is φ = 7309520400.

The previous prime is 22112111167. The next prime is 22112111207. The reversal of 22112111202 is 20211121122.

It is a super-2 number, since 2×22112111202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22112111207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270177 + ... + 1287467.

It is an arithmetic number, because the mean of its divisors is an integer number (1393493112).

Almost surely, 2^22112111202 is an apocalyptic number.

22112111202 is an abundant number, since it is smaller than the sum of its proper divisors (22479668382).

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

22112111202 is a wasteful number, since it uses less digits than its factorization.

22112111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19054.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112111202 its reverse (20211121122), we get a palindrome (42323232324).

The spelling of 22112111202 in words is "twenty-two billion, one hundred twelve million, one hundred eleven thousand, two hundred two".