22112112000020 has 48 divisors (see below), whose sum is σ = 53071638614400. Its totient is φ = 7580928426624.

The previous prime is 22112111999959. The next prime is 22112112000053. The reversal of 22112112000020 is 2000021121122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22112111999959 and 22112112000004.

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 15 ways as a sum of consecutive naturals, for example, 914795 + ... + 6712754.

It is an arithmetic number, because the mean of its divisors is an integer number (1105659137800).

Almost surely, 2^{22112112000020} is an apocalyptic number.

22112112000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112112000020 is an abundant number, since it is smaller than the sum of its proper divisors (30959526614380).

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

22112112000020 is a wasteful number, since it uses less digits than its factorization.

22112112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648272 (or 7648270 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22112112000020 its reverse (2000021121122), we get a palindrome (24112133121142).

The spelling of 22112112000020 in words is "twenty-two trillion, one hundred twelve billion, one hundred twelve million, twenty", and thus it is an aban number.