22100022111012 has 24 divisors (see below), whose sum is σ = 51671742138912. Its totient is φ = 7351670625600.

The previous prime is 22100022111007. The next prime is 22100022111031. The reversal of 22100022111012 is 21011122000122.

It is a junction number, because it is equal to n+sod(n) for n = 22100022110982 and 22100022111000.

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, 1875420289 + ... + 1875432072.

It is an arithmetic number, because the mean of its divisors is an integer number (2152989255788).

Almost surely, 2^{22100022111012} is an apocalyptic number.

It is an amenable number.

22100022111012 is an abundant number, since it is smaller than the sum of its proper divisors (29571720027900).

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

22100022111012 is a wasteful number, since it uses less digits than its factorization.

22100022111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750852859 (or 3750852857 counting only the distinct ones).

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

Adding to 22100022111012 its reverse (21011122000122), we get a palindrome (43111144111134).

The spelling of 22100022111012 in words is "twenty-two trillion, one hundred billion, twenty-two million, one hundred eleven thousand, twelve".