11201220200 has 48 divisors (see below), whose sum is σ = 26088871500. Its totient is φ = 4472568320.

The previous prime is 11201220187. The next prime is 11201220203. The reversal of 11201220200 is 202210211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3345234244 + 7855985956 = 57838^2 + 88634^2 .

It is not an unprimeable number, because it can be changed into a prime (11201220203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64586 + ... + 163014.

Almost surely, 2^11201220200 is an apocalyptic number.

11201220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201220200 is an abundant number, since it is smaller than the sum of its proper divisors (14887651300).

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

11201220200 is a wasteful number, since it uses less digits than its factorization.

11201220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99014 (or 99005 counting only the distinct ones).

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

Adding to 11201220200 its reverse (202210211), we get a palindrome (11403430411).

The spelling of 11201220200 in words is "eleven billion, two hundred one million, two hundred twenty thousand, two hundred".