22100111012 has 24 divisors (see below), whose sum is σ = 44655899904. Its totient is φ = 9373830912.

The previous prime is 22100110943. The next prime is 22100111021. The reversal of 22100111012 is 21011100122.

It is a junction number, because it is equal to n+sod(n) for n = 22100110984 and 22100111002.

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, 4065788 + ... + 4071219.

It is an arithmetic number, because the mean of its divisors is an integer number (1860662496).

Almost surely, 2^22100111012 is an apocalyptic number.

It is an amenable number.

22100111012 is an abundant number, since it is smaller than the sum of its proper divisors (22555788892).

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

22100111012 is a wasteful number, since it uses less digits than its factorization.

22100111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137115 (or 8137113 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22100111012 its reverse (21011100122), we get a palindrome (43111211134).

The spelling of 22100111012 in words is "twenty-two billion, one hundred million, one hundred eleven thousand, twelve".