22112120112 has 20 divisors (see below), whose sum is σ = 57122977080. Its totient is φ = 7370706688.

The previous prime is 22112120039. The next prime is 22112120119. The reversal of 22112120112 is 21102121122.

It is a junction number, because it is equal to n+sod(n) for n = 22112120091 and 22112120100.

It is not an unprimeable number, because it can be changed into a prime (22112120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230334537 + ... + 230334632.

It is an arithmetic number, because the mean of its divisors is an integer number (2856148854).

Almost surely, 2^22112120112 is an apocalyptic number.

It is an amenable number.

22112120112 is an abundant number, since it is smaller than the sum of its proper divisors (35010856968).

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

22112120112 is a wasteful number, since it uses less digits than its factorization.

22112120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460669180 (or 460669174 counting only the distinct ones).

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

Adding to 22112120112 its reverse (21102121122), we get a palindrome (43214241234).

The spelling of 22112120112 in words is "twenty-two billion, one hundred twelve million, one hundred twenty thousand, one hundred twelve".