111120031000 has 64 divisors (see below), whose sum is σ = 283659161760. Its totient is φ = 40407280000.

The previous prime is 111120030971. The next prime is 111120031049. The reversal of 111120031000 is 130021111.

It is a super-2 number, since 2×111120031000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5039911 + ... + 5061910.

Almost surely, 2^111120031000 is an apocalyptic number.

111120031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120031000 is an abundant number, since it is smaller than the sum of its proper divisors (172539130760).

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

111120031000 is a wasteful number, since it uses less digits than its factorization.

111120031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101853 (or 10101839 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 111120031000 its reverse (130021111), we get a palindrome (111250052111).

The spelling of 111120031000 in words is "one hundred eleven billion, one hundred twenty million, thirty-one thousand".