111122023159 has 20 divisors (see below), whose sum is σ = 130460787704. Its totient is φ = 94640455728.

The previous prime is 111122023157. The next prime is 111122023169. The reversal of 111122023159 is 951320221111.

It is not a de Polignac number, because 111122023159 - 2¹ = 111122023157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122023157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 229564 + ... + 524350.

Almost surely, 2^111122023159 is an apocalyptic number.

111122023159 is a deficient number, since it is larger than the sum of its proper divisors (19338764545).

111122023159 is an frugal number, since it uses more digits than its factorization.

111122023159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294972 (or 294951 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 111122023159 in words is "one hundred eleven billion, one hundred twenty-two million, twenty-three thousand, one hundred fifty-nine".