2102111000012 has 24 divisors (see below), whose sum is σ = 3897124385616. Its totient is φ = 988711536128.

The previous prime is 2102110999999. The next prime is 2102111000053. The reversal of 2102111000012 is 2100001112012.

It is a junction number, because it is equal to n+sod(n) for n = 2102110999957 and 2102111000002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7949738 + ... + 8209905.

It is an arithmetic number, because the mean of its divisors is an integer number (162380182734).

Almost surely, 2^{2102111000012} is an apocalyptic number.

It is an amenable number.

2102111000012 is a deficient number, since it is larger than the sum of its proper divisors (1795013385604).

2102111000012 is a wasteful number, since it uses less digits than its factorization.

2102111000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161577 (or 16161575 counting only the distinct ones).

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

Adding to 2102111000012 its reverse (2100001112012), we get a palindrome (4202112112024).

The spelling of 2102111000012 in words is "two trillion, one hundred two billion, one hundred eleven million, twelve", and thus it is an aban number.