111311204244 has 12 divisors (see below), whose sum is σ = 259726143264. Its totient is φ = 37103734744.

The previous prime is 111311204239. The next prime is 111311204273. The reversal of 111311204244 is 442402113111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×111311204244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637966832 + ... + 4637966855.

It is an arithmetic number, because the mean of its divisors is an integer number (21643845272).

Almost surely, 2^111311204244 is an apocalyptic number.

It is an amenable number.

111311204244 is an abundant number, since it is smaller than the sum of its proper divisors (148414939020).

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

111311204244 is a wasteful number, since it uses less digits than its factorization.

111311204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275933694 (or 9275933692 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111311204244 its reverse (442402113111), we get a palindrome (553713317355).

The spelling of 111311204244 in words is "one hundred eleven billion, three hundred eleven million, two hundred four thousand, two hundred forty-four".