111032223020 has 24 divisors (see below), whose sum is σ = 233187821664. Its totient is φ = 44409050496.

The previous prime is 111032223019. The next prime is 111032223023. The reversal of 111032223020 is 20322230111.

It is a self number, because there is not a number n which added to its sum of digits gives 111032223020.

It is not an unprimeable number, because it can be changed into a prime (111032223023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272 + ... + 471248.

It is an arithmetic number, because the mean of its divisors is an integer number (9716159236).

Almost surely, 2^111032223020 is an apocalyptic number.

111032223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111032223020 is an abundant number, since it is smaller than the sum of its proper divisors (122155598644).

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

111032223020 is a wasteful number, since it uses less digits than its factorization.

111032223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479849 (or 479847 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 111032223020 its reverse (20322230111), we get a palindrome (131354453131).

The spelling of 111032223020 in words is "one hundred eleven billion, thirty-two million, two hundred twenty-three thousand, twenty".