111100200320 has 64 divisors (see below), whose sum is σ = 266076608400. Its totient is φ = 44360153088.

The previous prime is 111100200313. The next prime is 111100200349. The reversal of 111100200320 is 23002001111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×111100200320² (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 7 ways as a sum of consecutive naturals, for example, 200651 + ... + 512309.

Almost surely, 2^111100200320 is an apocalyptic number.

111100200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111100200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133038304200).

111100200320 is an abundant number, since it is smaller than the sum of its proper divisors (154976408080).

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

111100200320 is an equidigital number, since it uses as much as digits as its factorization.

111100200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312235 (or 312223 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111100200320 its reverse (23002001111), we get a palindrome (134102201431).

The spelling of 111100200320 in words is "one hundred eleven billion, one hundred million, two hundred thousand, three hundred twenty".