22122200112 has 20 divisors (see below), whose sum is σ = 57149017080. Its totient is φ = 7374066688.

The previous prime is 22122200083. The next prime is 22122200119. The reversal of 22122200112 is 21100222122.

It is a junction number, because it is equal to n+sod(n) for n = 22122200091 and 22122200100.

It is not an unprimeable number, because it can be changed into a prime (22122200119) 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, 230439537 + ... + 230439632.

It is an arithmetic number, because the mean of its divisors is an integer number (2857450854).

Almost surely, 2^22122200112 is an apocalyptic number.

It is an amenable number.

22122200112 is an abundant number, since it is smaller than the sum of its proper divisors (35026816968).

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

22122200112 is a wasteful number, since it uses less digits than its factorization.

22122200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460879180 (or 460879174 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22122200112 its reverse (21100222122), we get a palindrome (43222422234).

The spelling of 22122200112 in words is "twenty-two billion, one hundred twenty-two million, two hundred thousand, one hundred twelve".