11203212223200 has 144 divisors (see below), whose sum is σ = 36471935646720. Its totient is φ = 2987074321920.

The previous prime is 11203212223187. The next prime is 11203212223219. The reversal of 11203212223200 is 232221230211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15778227 + ... + 16472973.

It is an arithmetic number, because the mean of its divisors is an integer number (253277330880).

Almost surely, 2^{11203212223200} is an apocalyptic number.

11203212223200 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 11203212223200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18235967823360).

11203212223200 is an abundant number, since it is smaller than the sum of its proper divisors (25268723423520).

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

11203212223200 is a wasteful number, since it uses less digits than its factorization.

11203212223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701489 (or 701476 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11203212223200 its reverse (232221230211), we get a palindrome (11435433453411).

The spelling of 11203212223200 in words is "eleven trillion, two hundred three billion, two hundred twelve million, two hundred twenty-three thousand, two hundred".