22122122213112 has 32 divisors (see below), whose sum is σ = 55536708499200. Its totient is φ = 7343187008864.

The previous prime is 22122122213069. The next prime is 22122122213123. The reversal of 22122122213112 is 21131222122122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928352198 + ... + 1928363669.

It is an arithmetic number, because the mean of its divisors is an integer number (1735522140600).

Almost surely, 2^{22122122213112} is an apocalyptic number.

It is an amenable number.

22122122213112 is an abundant number, since it is smaller than the sum of its proper divisors (33414586286088).

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

22122122213112 is a wasteful number, since it uses less digits than its factorization.

22122122213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856716115 (or 3856716111 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 22122122213112 its reverse (21131222122122), we get a palindrome (43253344335234).

The spelling of 22122122213112 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred twelve".