111222220200 has 192 divisors, whose sum is σ = 424355756160. Its totient is φ = 23466654720.

The previous prime is 111222220189. The next prime is 111222220229. The reversal of 111222220200 is 2022222111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111222220200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 963919 + ... + 1073118.

It is an arithmetic number, because the mean of its divisors is an integer number (2210186230).

Almost surely, 2^111222220200 is an apocalyptic number.

111222220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222220200 is an abundant number, since it is smaller than the sum of its proper divisors (313133535960).

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

111222220200 is a wasteful number, since it uses less digits than its factorization.

111222220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037076 (or 2037067 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 111222220200 its reverse (2022222111), we get a palindrome (113244442311).

It can be divided in two parts, 11122 and 2220200, that added together give a palindrome (2231322).

The spelling of 111222220200 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, two hundred".