111452112200 has 384 divisors, whose sum is σ = 330256362240. Its totient is φ = 34344960000.

The previous prime is 111452112157. The next prime is 111452112229. The reversal of 111452112200 is 2211254111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19931405 + ... + 19936995.

It is an arithmetic number, because the mean of its divisors is an integer number (860042610).

Almost surely, 2^111452112200 is an apocalyptic number.

111452112200 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 111452112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165128181120).

111452112200 is an abundant number, since it is smaller than the sum of its proper divisors (218804250040).

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

111452112200 is a wasteful number, since it uses less digits than its factorization.

111452112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5680 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 111452112200 its reverse (2211254111), we get a palindrome (113663366311).

The spelling of 111452112200 in words is "one hundred eleven billion, four hundred fifty-two million, one hundred twelve thousand, two hundred".