22122101112 has 32 divisors (see below), whose sum is σ = 55333746000. Its totient is φ = 7370234624.

The previous prime is 22122101087. The next prime is 22122101123. The reversal of 22122101112 is 21110122122.

It is a junction number, because it is equal to n+sod(n) for n = 22122101091 and 22122101100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 189693 + ... + 283244.

Almost surely, 2^22122101112 is an apocalyptic number.

It is an amenable number.

22122101112 is an abundant number, since it is smaller than the sum of its proper divisors (33211644888).

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

22122101112 is a wasteful number, since it uses less digits than its factorization.

22122101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474895 (or 474891 counting only the distinct ones).

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

Adding to 22122101112 its reverse (21110122122), we get a palindrome (43232223234).

The spelling of 22122101112 in words is "twenty-two billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".