113102123111 has 2 divisors, whose sum is σ = 113102123112. Its totient is φ = 113102123110.

The previous prime is 113102123081. The next prime is 113102123161. The reversal of 113102123111 is 111321201311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113102123111 - 2³⁰ = 112028381287 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113102123111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113102123161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56551061555 + 56551061556.

It is an arithmetic number, because the mean of its divisors is an integer number (56551061556).

Almost surely, 2^113102123111 is an apocalyptic number.

113102123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

113102123111 is an equidigital number, since it uses as much as digits as its factorization.

113102123111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 113102123111 its reverse (111321201311), we get a palindrome (224423324422).

The spelling of 113102123111 in words is "one hundred thirteen billion, one hundred two million, one hundred twenty-three thousand, one hundred eleven".