22212000021112 has 64 divisors (see below), whose sum is σ = 48108225853440. Its totient is φ = 9502060377600.

The previous prime is 22212000020963. The next prime is 22212000021151. The reversal of 22212000021112 is 21112000021222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36751687 + ... + 37351177.

It is an arithmetic number, because the mean of its divisors is an integer number (751691028960).

Almost surely, 2^{22212000021112} is an apocalyptic number.

22212000021112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22212000021112 is an abundant number, since it is smaller than the sum of its proper divisors (25896225832328).

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

22212000021112 is a wasteful number, since it uses less digits than its factorization.

22212000021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624292 (or 624288 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22212000021112 its reverse (21112000021222), we get a palindrome (43324000042334).

The spelling of 22212000021112 in words is "twenty-two trillion, two hundred twelve billion, twenty-one thousand, one hundred twelve".