21211102000012 has 12 divisors (see below), whose sum is σ = 37179395270920. Its totient is φ = 10588417636896.

The previous prime is 21211102000009. The next prime is 21211102000021. The reversal of 21211102000012 is 21000020111212.

It is a junction number, because it is equal to n+sod(n) for n = 21211101999956 and 21211102000001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4283337993 + ... + 4283342944.

Almost surely, 2^{21211102000012} is an apocalyptic number.

It is an amenable number.

21211102000012 is a deficient number, since it is larger than the sum of its proper divisors (15968293270908).

21211102000012 is a wasteful number, since it uses less digits than its factorization.

21211102000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566681560 (or 8566681558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21211102000012 its reverse (21000020111212), we get a palindrome (42211122111224).

The spelling of 21211102000012 in words is "twenty-one trillion, two hundred eleven billion, one hundred two million, twelve", and thus it is an aban number.