2113123110 has 32 divisors (see below), whose sum is σ = 5795995392. Its totient is φ = 482999520.

The previous prime is 2113123099. The next prime is 2113123121. The reversal of 2113123110 is 113213112.

It is a happy number.

2113123110 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2113123099) and next prime (2113123121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113123110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5031036 + ... + 5031455.

It is an arithmetic number, because the mean of its divisors is an integer number (181124856).

Almost surely, 2^2113123110 is an apocalyptic number.

2113123110 is an abundant number, since it is smaller than the sum of its proper divisors (3682872282).

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

2113123110 is a wasteful number, since it uses less digits than its factorization.

2113123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062508.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113123110 is about 45968.7188205197. The cubic root of 2113123110 is about 1283.2411168160.

Adding to 2113123110 its reverse (113213112), we get a palindrome (2226336222).

The spelling of 2113123110 in words is "two billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred ten".