111440243220 has 96 divisors (see below), whose sum is σ = 313548278400. Its totient is φ = 29573406720.

The previous prime is 111440243207. The next prime is 111440243231. The reversal of 111440243220 is 22342044111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11029731 + ... + 11039829.

It is an arithmetic number, because the mean of its divisors is an integer number (3266127900).

Almost surely, 2^111440243220 is an apocalyptic number.

111440243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111440243220 is an abundant number, since it is smaller than the sum of its proper divisors (202108035180).

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

111440243220 is a wasteful number, since it uses less digits than its factorization.

111440243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985 (or 10983 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111440243220 its reverse (22342044111), we get a palindrome (133782287331).

The spelling of 111440243220 in words is "one hundred eleven billion, four hundred forty million, two hundred forty-three thousand, two hundred twenty".