2113100112 has 40 divisors (see below), whose sum is σ = 5466827680. Its totient is φ = 703336320.

The previous prime is 2113100111. The next prime is 2113100123. The reversal of 2113100112 is 2110013112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113100111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314 + ... + 65022.

It is an arithmetic number, because the mean of its divisors is an integer number (136670692).

Almost surely, 2^2113100112 is an apocalyptic number.

It is an amenable number.

2113100112 is an abundant number, since it is smaller than the sum of its proper divisors (3353727568).

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

2113100112 is a wasteful number, since it uses less digits than its factorization.

2113100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64411 (or 64405 counting only the distinct ones).

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

The square root of 2113100112 is about 45968.4686714709. The cubic root of 2113100112 is about 1283.2364614497.

Adding to 2113100112 its reverse (2110013112), we get a palindrome (4223113224).

The spelling of 2113100112 in words is "two billion, one hundred thirteen million, one hundred thousand, one hundred twelve".