11221133222200 has 144 divisors (see below), whose sum is σ = 28766968718040. Its totient is φ = 4067537337600.

The previous prime is 11221133222183. The next prime is 11221133222287. The reversal of 11221133222200 is 222233112211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6940039 + ... + 8402761.

Almost surely, 2^{11221133222200} is an apocalyptic number.

11221133222200 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 11221133222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14383484359020).

11221133222200 is an abundant number, since it is smaller than the sum of its proper divisors (17545835495840).

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

11221133222200 is a wasteful number, since it uses less digits than its factorization.

11221133222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463078 (or 1463058 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11221133222200 its reverse (222233112211), we get a palindrome (11443366334411).

The spelling of 11221133222200 in words is "eleven trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred twenty-two thousand, two hundred".