11201222200 has 192 divisors, whose sum is σ = 30443765760. Its totient is φ = 3753630720.

The previous prime is 11201222183. The next prime is 11201222243. The reversal of 11201222200 is 222210211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12978969 + ... + 12979831.

It is an arithmetic number, because the mean of its divisors is an integer number (158561280).

Almost surely, 2^11201222200 is an apocalyptic number.

11201222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15221882880).

11201222200 is an abundant number, since it is smaller than the sum of its proper divisors (19242543560).

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

11201222200 is a wasteful number, since it uses less digits than its factorization.

11201222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11201222200 its reverse (222210211), we get a palindrome (11423432411).

The spelling of 11201222200 in words is "eleven billion, two hundred one million, two hundred twenty-two thousand, two hundred".