111161165022 has 48 divisors (see below), whose sum is σ = 253497508992. Its totient is φ = 36500670360.

The previous prime is 111161165021. The next prime is 111161165029. The reversal of 111161165022 is 220561161111.

111161165022 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 6 + 1 + 1 + 650 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111161165021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1674354 + ... + 1739477.

It is an arithmetic number, because the mean of its divisors is an integer number (5281198104).

Almost surely, 2^111161165022 is an apocalyptic number.

111161165022 is an abundant number, since it is smaller than the sum of its proper divisors (142336343970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111161165022 is an equidigital number, since it uses as much as digits as its factorization.

111161165022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413915 (or 3413903 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 111161165022 in words is "one hundred eleven billion, one hundred sixty-one million, one hundred sixty-five thousand, twenty-two".