111100201120 has 48 divisors (see below), whose sum is σ = 265636596960. Its totient is φ = 43904652544.

The previous prime is 111100201097. The next prime is 111100201139. The reversal of 111100201120 is 21102001111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111100201097 and 111100201106.

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, 4169710 + ... + 4196269.

It is an arithmetic number, because the mean of its divisors is an integer number (5534095770).

Almost surely, 2^111100201120 is an apocalyptic number.

111100201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100201120 is an abundant number, since it is smaller than the sum of its proper divisors (154536395840).

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

111100201120 is an equidigital number, since it uses as much as digits as its factorization.

111100201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8366077 (or 8366069 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111100201120 its reverse (21102001111), we get a palindrome (132202202231).

Subtracting from 111100201120 its reverse (21102001111), we obtain a square (89998200009 = 299997²).

The spelling of 111100201120 in words is "one hundred eleven billion, one hundred million, two hundred one thousand, one hundred twenty".