111122100200 has 96 divisors (see below), whose sum is σ = 264000915360. Its totient is φ = 43483065600.

The previous prime is 111122100149. The next prime is 111122100233. The reversal of 111122100200 is 2001221111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3663095 + ... + 3693305.

It is an arithmetic number, because the mean of its divisors is an integer number (2750009535).

Almost surely, 2^111122100200 is an apocalyptic number.

111122100200 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 111122100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132000457680).

111122100200 is an abundant number, since it is smaller than the sum of its proper divisors (152878815160).

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

111122100200 is a wasteful number, since it uses less digits than its factorization.

111122100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30627 (or 30618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111122100200 its reverse (2001221111), we get a palindrome (113123321311).

The spelling of 111122100200 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred thousand, two hundred".