11221234200 has 864 divisors, whose sum is σ = 45697588560. Its totient is φ = 2444083200.

The previous prime is 11221234177. The next prime is 11221234231. The reversal of 11221234200 is 243212211.

It is a happy number.

11221234200 is a `hidden beast` number, since 1 + 1 + 221 + 23 + 420 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 211721374 + ... + 211721426.

Almost surely, 2^11221234200 is an apocalyptic number.

11221234200 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 11221234200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22848794280).

11221234200 is an abundant number, since it is smaller than the sum of its proper divisors (34476354360).

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

11221234200 is a wasteful number, since it uses less digits than its factorization.

11221234200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11221234200 its reverse (243212211), we get a palindrome (11464446411).

The spelling of 11221234200 in words is "eleven billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred".