111100244020 has 24 divisors (see below), whose sum is σ = 233340307200. Its totient is φ = 44434422432.

The previous prime is 111100244011. The next prime is 111100244053. The reversal of 111100244020 is 20442001111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111100243985 and 111100244003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192360 + ... + 509119.

It is an arithmetic number, because the mean of its divisors is an integer number (9722512800).

Almost surely, 2^111100244020 is an apocalyptic number.

111100244020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100244020 is an abundant number, since it is smaller than the sum of its proper divisors (122240063180).

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

111100244020 is a wasteful number, since it uses less digits than its factorization.

111100244020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709407 (or 709405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111100244020 its reverse (20442001111), we get a palindrome (131542245131).

The spelling of 111100244020 in words is "one hundred eleven billion, one hundred million, two hundred forty-four thousand, twenty".