2100100010012 has 24 divisors (see below), whose sum is σ = 3692740798656. Its totient is φ = 1045035588608.

The previous prime is 2100100009981. The next prime is 2100100010077.

2100100010012 is nontrivially palindromic in base 10.

It is a congruent number.

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, 1376588 + ... + 2468844.

It is an arithmetic number, because the mean of its divisors is an integer number (153864199944).

Almost surely, 2^{2100100010012} is an apocalyptic number.

It is an amenable number.

2100100010012 is a deficient number, since it is larger than the sum of its proper divisors (1592640788644).

2100100010012 is a wasteful number, since it uses less digits than its factorization.

2100100010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094557 (or 1094555 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

It can be divided in two parts, 21001000 and 10012, that added together give a palindrome (21011012).

The spelling of 2100100010012 in words is "two trillion, one hundred billion, one hundred million, ten thousand, twelve".