113111122999 has 8 divisors (see below), whose sum is σ = 134890283520. Its totient is φ = 92737069656.

The previous prime is 113111122991. The next prime is 113111123051. The reversal of 113111122999 is 999221111311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113111122999 - 2³ = 113111122991 is a prime.

It is a super-2 number, since 2×113111122999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111122991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351276619 + ... + 351276940.

It is an arithmetic number, because the mean of its divisors is an integer number (16861285440).

Almost surely, 2^113111122999 is an apocalyptic number.

113111122999 is a deficient number, since it is larger than the sum of its proper divisors (21779160521).

113111122999 is an equidigital number, since it uses as much as digits as its factorization.

113111122999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702553589.

The product of its digits is 8748, while the sum is 40.

The spelling of 113111122999 in words is "one hundred thirteen billion, one hundred eleven million, one hundred twenty-two thousand, nine hundred ninety-nine".