111311203320 has 64 divisors (see below), whose sum is σ = 371037348000. Its totient is φ = 29682987264.

The previous prime is 111311203309. The next prime is 111311203321. The reversal of 111311203320 is 23302113111.

111311203320 is a `hidden beast` number, since 1 + 1 + 1 + 311 + 20 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111311203293 and 111311203302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311203321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51531885 + ... + 51534044.

Almost surely, 2^111311203320 is an apocalyptic number.

111311203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111311203320 is an abundant number, since it is smaller than the sum of its proper divisors (259726144680).

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

111311203320 is a wasteful number, since it uses less digits than its factorization.

111311203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103065949 (or 103065939 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111311203320 its reverse (23302113111), we get a palindrome (134613316431).

The spelling of 111311203320 in words is "one hundred eleven billion, three hundred eleven million, two hundred three thousand, three hundred twenty".