11221212033200 has 60 divisors (see below), whose sum is σ = 29032728223968. Its totient is φ = 4143216748800.

The previous prime is 11221212033197. The next prime is 11221212033253. The reversal of 11221212033200 is 233021212211.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 1078957496 + ... + 1078967895.

Almost surely, 2^{11221212033200} is an apocalyptic number.

11221212033200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221212033200 is an abundant number, since it is smaller than the sum of its proper divisors (17811516190768).

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

11221212033200 is a wasteful number, since it uses less digits than its factorization.

11221212033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157925422 (or 2157925411 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11221212033200 its reverse (233021212211), we get a palindrome (11454233245411).

The spelling of 11221212033200 in words is "eleven trillion, two hundred twenty-one billion, two hundred twelve million, thirty-three thousand, two hundred".