2100113397 has 12 divisors (see below), whose sum is σ = 3044777580. Its totient is φ = 1394869248.

The previous prime is 2100113381. The next prime is 2100113399. The reversal of 2100113397 is 7933110012.

It can be written as a sum of positive squares in 2 ways, for example, as 336869316 + 1763244081 = 18354^2 + 41991^2 .

It is not a de Polignac number, because 2100113397 - 2⁴ = 2100113381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100113397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100113399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431308 + ... + 436149.

It is an arithmetic number, because the mean of its divisors is an integer number (253731465).

Almost surely, 2^2100113397 is an apocalyptic number.

It is an amenable number.

2100113397 is a deficient number, since it is larger than the sum of its proper divisors (944664183).

2100113397 is a wasteful number, since it uses less digits than its factorization.

2100113397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867732 (or 867729 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 2100113397 is about 45826.9941955612. The cubic root of 2100113397 is about 1280.6022143878.

The spelling of 2100113397 in words is "two billion, one hundred million, one hundred thirteen thousand, three hundred ninety-seven".