113212440111 has 4 divisors (see below), whose sum is σ = 150949920152. Its totient is φ = 75474960072.

The previous prime is 113212440097. The next prime is 113212440119. The reversal of 113212440111 is 111044212311.

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

It is not a de Polignac number, because 113212440111 - 2⁵ = 113212440079 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 (113212440119) 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, 18868740016 + ... + 18868740021.

It is an arithmetic number, because the mean of its divisors is an integer number (37737480038).

Almost surely, 2^113212440111 is an apocalyptic number.

113212440111 is a deficient number, since it is larger than the sum of its proper divisors (37737480041).

113212440111 is an equidigital number, since it uses as much as digits as its factorization.

113212440111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37737480040.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 113212440111 its reverse (111044212311), we get a palindrome (224256652422).

The spelling of 113212440111 in words is "one hundred thirteen billion, two hundred twelve million, four hundred forty thousand, one hundred eleven".