111131233110320 has 80 divisors (see below), whose sum is σ = 259104637313280. Its totient is φ = 44327950931712.

The previous prime is 111131233110319. The next prime is 111131233110341. The reversal of 111131233110320 is 23011332131111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×111131233110320² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66144179 + ... + 67803501.

It is an arithmetic number, because the mean of its divisors is an integer number (3238807966416).

Almost surely, 2^{111131233110320} is an apocalyptic number.

111131233110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111131233110320 is an abundant number, since it is smaller than the sum of its proper divisors (147973404202960).

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

111131233110320 is a wasteful number, since it uses less digits than its factorization.

111131233110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661682 (or 1661676 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 111131233110320 its reverse (23011332131111), we get a palindrome (134142565241431).

The spelling of 111131233110320 in words is "one hundred eleven trillion, one hundred thirty-one billion, two hundred thirty-three million, one hundred ten thousand, three hundred twenty".