2101100232112 has 40 divisors (see below), whose sum is σ = 4685907027200. Its totient is φ = 893993308992.

The previous prime is 2101100232047. The next prime is 2101100232139. The reversal of 2101100232112 is 2112320011012.

It is a super-2 number, since 2×2101100232112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 67465812 + ... + 67496947.

It is an arithmetic number, because the mean of its divisors is an integer number (117147675680).

Almost surely, 2^{2101100232112} is an apocalyptic number.

It is an amenable number.

2101100232112 is an abundant number, since it is smaller than the sum of its proper divisors (2584806795088).

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

2101100232112 is a wasteful number, since it uses less digits than its factorization.

2101100232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134962913 (or 134962907 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2101100232112 its reverse (2112320011012), we get a palindrome (4213420243124).

The spelling of 2101100232112 in words is "two trillion, one hundred one billion, one hundred million, two hundred thirty-two thousand, one hundred twelve".