22222220010112 has 32 divisors (see below), whose sum is σ = 46600872559200. Its totient is φ = 10526314740480.

The previous prime is 22222220010101. The next prime is 22222220010139. The reversal of 22222220010112 is 21101002222222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22222220010112.

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, 4568710564 + ... + 4568715427.

It is an arithmetic number, because the mean of its divisors is an integer number (1456277267475).

Almost surely, 2^{22222220010112} is an apocalyptic number.

It is an amenable number.

22222220010112 is an abundant number, since it is smaller than the sum of its proper divisors (24378652549088).

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

22222220010112 is an equidigital number, since it uses as much as digits as its factorization.

22222220010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137426024 (or 9137426012 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22222220010112 its reverse (21101002222222), we get a palindrome (43323222232334).

The spelling of 22222220010112 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, ten thousand, one hundred twelve".