2116116113 has 4 divisors (see below), whose sum is σ = 2116303140. Its totient is φ = 2115929088.

The previous prime is 2116116097. The next prime is 2116116139. The reversal of 2116116113 is 3116116112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 971444224 + 1144671889 = 31168^2 + 33833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116116113 - 2⁴ = 2116116097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2116116143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75368 + ... + 99561.

It is an arithmetic number, because the mean of its divisors is an integer number (529075785).

Almost surely, 2^2116116113 is an apocalyptic number.

It is an amenable number.

2116116113 is a deficient number, since it is larger than the sum of its proper divisors (187027).

2116116113 is a wasteful number, since it uses less digits than its factorization.

2116116113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187026.

The product of its digits is 216, while the sum is 23.

The square root of 2116116113 is about 46001.2620805125. The cubic root of 2116116113 is about 1283.8466869302.

Subtracting 2116116113 from its reverse (3116116112), we obtain a palindrome (999999999).

The spelling of 2116116113 in words is "two billion, one hundred sixteen million, one hundred sixteen thousand, one hundred thirteen".