111220222200 has 48 divisors (see below), whose sum is σ = 344782690680. Its totient is φ = 29658725760.

The previous prime is 111220222177. The next prime is 111220222259. The reversal of 111220222200 is 2222022111.

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 111220222200.

It is a congruent number.

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, 92682919 + ... + 92684118.

Almost surely, 2^111220222200 is an apocalyptic number.

111220222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220222200 is an abundant number, since it is smaller than the sum of its proper divisors (233562468480).

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

111220222200 is a wasteful number, since it uses less digits than its factorization.

111220222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185367056 (or 185367047 counting only the distinct ones).

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

Adding to 111220222200 its reverse (2222022111), we get a palindrome (113442244311).

The spelling of 111220222200 in words is "one hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, two hundred".