111123222099 has 32 divisors (see below), whose sum is σ = 153955522560. Its totient is φ = 71238258432.

The previous prime is 111123222059. The next prime is 111123222149. The reversal of 111123222099 is 990222321111.

It is not a de Polignac number, because 111123222099 - 2⁷ = 111123221971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111123222029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3424519 + ... + 3456815.

It is an arithmetic number, because the mean of its divisors is an integer number (4811110080).

Almost surely, 2^111123222099 is an apocalyptic number.

111123222099 is a deficient number, since it is larger than the sum of its proper divisors (42832300461).

111123222099 is a wasteful number, since it uses less digits than its factorization.

111123222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32699.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 111123222099 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred twenty-two thousand, ninety-nine".