1113331221200 has 60 divisors (see below), whose sum is σ = 2917939930368. Its totient is φ = 404847715200.

The previous prime is 1113331221169. The next prime is 1113331221269. The reversal of 1113331221200 is 21221333111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126510512 + ... + 126519311.

Almost surely, 2^{1113331221200} is an apocalyptic number.

1113331221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113331221200 is an abundant number, since it is smaller than the sum of its proper divisors (1804608709168).

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

1113331221200 is a wasteful number, since it uses less digits than its factorization.

1113331221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253029852 (or 253029841 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1113331221200 its reverse (21221333111), we get a palindrome (1134552554311).

The spelling of 1113331221200 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, two hundred twenty-one thousand, two hundred".