11220012200 has 24 divisors (see below), whose sum is σ = 26086528830. Its totient is φ = 4488004800.

The previous prime is 11220012151. The next prime is 11220012227. The reversal of 11220012200 is 221002211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10460789284 + 759222916 = 102278^2 + 27554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28049831 + ... + 28050230.

Almost surely, 2^11220012200 is an apocalyptic number.

11220012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220012200 is an abundant number, since it is smaller than the sum of its proper divisors (14866516630).

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

11220012200 is a wasteful number, since it uses less digits than its factorization.

11220012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56100077 (or 56100068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11220012200 its reverse (221002211), we get a palindrome (11441014411).

The spelling of 11220012200 in words is "eleven billion, two hundred twenty million, twelve thousand, two hundred".