210000010113 has 12 divisors (see below), whose sum is σ = 311531547028. Its totient is φ = 136216222560.

The previous prime is 210000010081. The next prime is 210000010123. The reversal of 210000010113 is 311010000012.

It can be written as a sum of positive squares in 2 ways, for example, as 107835394689 + 102164615424 = 328383^2 + 319632^2 .

It is not a de Polignac number, because 210000010113 - 2⁵ = 210000010081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210000010095 and 210000010104.

It is not an unprimeable number, because it can be changed into a prime (210000010123) 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, 315314998 + ... + 315315663.

Almost surely, 2^210000010113 is an apocalyptic number.

It is an amenable number.

210000010113 is a deficient number, since it is larger than the sum of its proper divisors (101531536915).

210000010113 is a wasteful number, since it uses less digits than its factorization.

210000010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630630704 (or 630630701 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 210000010113 its reverse (311010000012), we get a palindrome (521010010125).

The spelling of 210000010113 in words is "two hundred ten billion, ten thousand, one hundred thirteen".