111121113320 has 64 divisors (see below), whose sum is σ = 285783379200. Its totient is φ = 38092884480.

The previous prime is 111121113281. The next prime is 111121113347. The reversal of 111121113320 is 23311121111.

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, 2081765 + ... + 2134475.

It is an arithmetic number, because the mean of its divisors is an integer number (4465365300).

Almost surely, 2^111121113320 is an apocalyptic number.

111121113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121113320 is an abundant number, since it is smaller than the sum of its proper divisors (174662265880).

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

111121113320 is a wasteful number, since it uses less digits than its factorization.

111121113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60258 (or 60254 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111121113320 its reverse (23311121111), we get a palindrome (134432234431).

The spelling of 111121113320 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty".