113123202111 has 6 divisors (see below), whose sum is σ = 163400180840. Its totient is φ = 75415468068.

The previous prime is 113123202107. The next prime is 113123202197. The reversal of 113123202111 is 111202321311.

113123202111 is a `hidden beast` number, since 1 + 1 + 312 + 320 + 21 + 11 = 666.

It is not a de Polignac number, because 113123202111 - 2² = 113123202107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123203111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6284622331 + ... + 6284622348.

Almost surely, 2^113123202111 is an apocalyptic number.

113123202111 is a deficient number, since it is larger than the sum of its proper divisors (50276978729).

113123202111 is a wasteful number, since it uses less digits than its factorization.

113123202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569244685 (or 12569244682 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113123202111 its reverse (111202321311), we get a palindrome (224325523422).

The spelling of 113123202111 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred two thousand, one hundred eleven".