111222112200 has 48 divisors (see below), whose sum is σ = 344788549680. Its totient is φ = 29659229760.

The previous prime is 111222112187. The next prime is 111222112219. The reversal of 111222112200 is 2211222111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111222112200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92684494 + ... + 92685693.

It is an arithmetic number, because the mean of its divisors is an integer number (7183094785).

Almost surely, 2^111222112200 is an apocalyptic number.

111222112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222112200 is an abundant number, since it is smaller than the sum of its proper divisors (233566437480).

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

111222112200 is a wasteful number, since it uses less digits than its factorization.

111222112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185370206 (or 185370197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111222112200 its reverse (2211222111), we get a palindrome (113433334311).

The spelling of 111222112200 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, two hundred".