111031223022 has 24 divisors (see below), whose sum is σ = 240573776040. Its totient is φ = 37009465200.

The previous prime is 111031222999. The next prime is 111031223071. The reversal of 111031223022 is 220322130111.

It is a super-2 number, since 2×111031223022² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111031222986 and 111031223004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1367772 + ... + 1446672.

It is an arithmetic number, because the mean of its divisors is an integer number (10023907335).

Almost surely, 2^111031223022 is an apocalyptic number.

111031223022 is an abundant number, since it is smaller than the sum of its proper divisors (129542553018).

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

111031223022 is a wasteful number, since it uses less digits than its factorization.

111031223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157088 (or 157085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111031223022 its reverse (220322130111), we get a palindrome (331353353133).

The spelling of 111031223022 in words is "one hundred eleven billion, thirty-one million, two hundred twenty-three thousand, twenty-two".