2100101012112 has 40 divisors (see below), whose sum is σ = 5426123018400. Its totient is φ = 699922435840.

The previous prime is 2100101012077. The next prime is 2100101012137. The reversal of 2100101012112 is 2112101010012.

It is a super-2 number, since 2×2100101012112² (a number of 25 digits) contains 22 as substring.

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, 3170589 + ... + 3775292.

It is an arithmetic number, because the mean of its divisors is an integer number (135653075460).

Almost surely, 2^{2100101012112} is an apocalyptic number.

It is an amenable number.

2100101012112 is an abundant number, since it is smaller than the sum of its proper divisors (3326022006288).

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

2100101012112 is a wasteful number, since it uses less digits than its factorization.

2100101012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952191 (or 6952185 counting only the distinct ones).

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

Adding to 2100101012112 its reverse (2112101010012), we get a palindrome (4212202022124).

The spelling of 2100101012112 in words is "two trillion, one hundred billion, one hundred one million, twelve thousand, one hundred twelve".