111011222099 has 4 divisors (see below), whose sum is σ = 112048710264. Its totient is φ = 109973733936.

The previous prime is 111011222071. The next prime is 111011222131. The reversal of 111011222099 is 990222110111.

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

It is a cyclic number.

It is not a de Polignac number, because 111011222099 - 2¹⁶ = 111011156563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011222299) 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, 518743922 + ... + 518744135.

It is an arithmetic number, because the mean of its divisors is an integer number (28012177566).

Almost surely, 2^111011222099 is an apocalyptic number.

111011222099 is a deficient number, since it is larger than the sum of its proper divisors (1037488165).

111011222099 is a wasteful number, since it uses less digits than its factorization.

111011222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037488164.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 111011222099 in words is "one hundred eleven billion, eleven million, two hundred twenty-two thousand, ninety-nine".