11222112220200 has 288 divisors, whose sum is σ = 43100650756800. Its totient is φ = 2563320314880.

The previous prime is 11222112220183. The next prime is 11222112220289. The reversal of 11222112220200 is 202221122211.

It is a happy number.

11222112220200 is a `hidden beast` number, since 1 + 12 + 221 + 12 + 220 + 200 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18385516 + ... + 18986084.

It is an arithmetic number, because the mean of its divisors is an integer number (149655037350).

Almost surely, 2^{11222112220200} is an apocalyptic number.

11222112220200 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 11222112220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21550325378400).

11222112220200 is an abundant number, since it is smaller than the sum of its proper divisors (31878538536600).

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

11222112220200 is a wasteful number, since it uses less digits than its factorization.

11222112220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602081 (or 602069 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222112220200 its reverse (202221122211), we get a palindrome (11424333342411).

The spelling of 11222112220200 in words is "eleven trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred".