2100110021112 has 32 divisors (see below), whose sum is σ = 5419638766080. Its totient is φ = 677454845280.

The previous prime is 2100110021101. The next prime is 2100110021147. The reversal of 2100110021112 is 2111200110012.

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

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, 1411363518 + ... + 1411365005.

It is an arithmetic number, because the mean of its divisors is an integer number (169363711440).

Almost surely, 2^{2100110021112} is an apocalyptic number.

It is an amenable number.

2100110021112 is an abundant number, since it is smaller than the sum of its proper divisors (3319528744968).

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

2100110021112 is a wasteful number, since it uses less digits than its factorization.

2100110021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822728563 (or 2822728559 counting only the distinct ones).

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

Adding to 2100110021112 its reverse (2111200110012), we get a palindrome (4211310131124).

The spelling of 2100110021112 in words is "two trillion, one hundred billion, one hundred ten million, twenty-one thousand, one hundred twelve".