111120220200 has 384 divisors, whose sum is σ = 383978102400. Its totient is φ = 26357760000.

The previous prime is 111120220151. The next prime is 111120220201. The reversal of 111120220200 is 2022021111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111120220201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59326464 + ... + 59328336.

It is an arithmetic number, because the mean of its divisors is an integer number (999942975).

Almost surely, 2^111120220200 is an apocalyptic number.

111120220200 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 111120220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191989051200).

111120220200 is an abundant number, since it is smaller than the sum of its proper divisors (272857882200).

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

111120220200 is a wasteful number, since it uses less digits than its factorization.

111120220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111120220200 its reverse (2022021111), we get a palindrome (113142241311).

It can be divided in two parts, 11 and 1120220200, that added together give a palindrome (1120220211).

The spelling of 111120220200 in words is "one hundred eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred".