22212201321112 has 64 divisors (see below), whose sum is σ = 46603360692000. Its totient is φ = 9837255168000.

The previous prime is 22212201321047. The next prime is 22212201321119. The reversal of 22212201321112 is 21112310221222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212201321119) 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, 1299237 + ... + 6790612.

Almost surely, 2^{22212201321112} is an apocalyptic number.

22212201321112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22212201321112 is an abundant number, since it is smaller than the sum of its proper divisors (24391159370888).

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

22212201321112 is a wasteful number, since it uses less digits than its factorization.

22212201321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090668 (or 8090664 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22212201321112 its reverse (21112310221222), we get a palindrome (43324511542334).

The spelling of 22212201321112 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, three hundred twenty-one thousand, one hundred twelve".