20211110100012 has 24 divisors (see below), whose sum is σ = 50786892046576. Its totient is φ = 6218803107648.

The previous prime is 20211110100001. The next prime is 20211110100029. The reversal of 20211110100012 is 21000101111202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 64779198883 + ... + 64779199194.

Almost surely, 2^{20211110100012} is an apocalyptic number.

It is an amenable number.

20211110100012 is an abundant number, since it is smaller than the sum of its proper divisors (30575781946564).

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

20211110100012 is a wasteful number, since it uses less digits than its factorization.

20211110100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129558398097 (or 129558398095 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20211110100012 its reverse (21000101111202), we get a palindrome (41211211211214).

The spelling of 20211110100012 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, one hundred thousand, twelve".