11112220200 has 48 divisors (see below), whose sum is σ = 34447884480. Its totient is φ = 2963258560.

The previous prime is 11112220159. The next prime is 11112220267. The reversal of 11112220200 is 202221111.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 9259584 + ... + 9260783.

It is an arithmetic number, because the mean of its divisors is an integer number (717664260).

Almost surely, 2^11112220200 is an apocalyptic number.

11112220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112220200 is an abundant number, since it is smaller than the sum of its proper divisors (23335664280).

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

11112220200 is a wasteful number, since it uses less digits than its factorization.

11112220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520386 (or 18520377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11112220200 its reverse (202221111), we get a palindrome (11314441311).

The spelling of 11112220200 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, two hundred".