111110122012099 has 12 divisors (see below), whose sum is σ = 129819935791944. Its totient is φ = 94817700083904.

The previous prime is 111110122012081. The next prime is 111110122012189. The reversal of 111110122012099 is 990210221011111.

It is not a de Polignac number, because 111110122012099 - 2⁵ = 111110122012067 is a prime.

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 111110122012099.

It is not an unprimeable number, because it can be changed into a prime (111110122012069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4994600134 + ... + 4994622379.

It is an arithmetic number, because the mean of its divisors is an integer number (10818327982662).

Almost surely, 2^{111110122012099} is an apocalyptic number.

111110122012099 is a deficient number, since it is larger than the sum of its proper divisors (18709813779845).

111110122012099 is an equidigital number, since it uses as much as digits as its factorization.

111110122012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9989222754 (or 9989222747 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 111110122012099 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty-two million, twelve thousand, ninety-nine".