111113099999 has 4 divisors (see below), whose sum is σ = 121214290920. Its totient is φ = 101011909080.

The previous prime is 111113099953. The next prime is 111113100001. The reversal of 111113099999 is 999990311111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999990311111 = 11 ⋅90908210101.

It is a cyclic number.

It is not a de Polignac number, because 111113099999 - 2¹² = 111113095903 is a prime.

It is a super-2 number, since 2×111113099999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111113099999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113095999) 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, 5050595444 + ... + 5050595465.

It is an arithmetic number, because the mean of its divisors is an integer number (30303572730).

Almost surely, 2^111113099999 is an apocalyptic number.

111113099999 is a deficient number, since it is larger than the sum of its proper divisors (10101190921).

111113099999 is a wasteful number, since it uses less digits than its factorization.

111113099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101190920.

The product of its (nonzero) digits is 177147, while the sum is 53.

The spelling of 111113099999 in words is "one hundred eleven billion, one hundred thirteen million, ninety-nine thousand, nine hundred ninety-nine".