111143112140 has 24 divisors (see below), whose sum is σ = 236884128432. Its totient is φ = 43793703360.

The previous prime is 111143112137. The next prime is 111143112169. The reversal of 111143112140 is 41211341111.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 41469971 + ... + 41472650.

It is an arithmetic number, because the mean of its divisors is an integer number (9870172018).

Almost surely, 2^111143112140 is an apocalyptic number.

111143112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111143112140 is an abundant number, since it is smaller than the sum of its proper divisors (125741016292).

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

111143112140 is a wasteful number, since it uses less digits than its factorization.

111143112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82942697 (or 82942695 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 111143112140 its reverse (41211341111), we get a palindrome (152354453251).

The spelling of 111143112140 in words is "one hundred eleven billion, one hundred forty-three million, one hundred twelve thousand, one hundred forty".