1121233313200 has 240 divisors, whose sum is σ = 3616802009856. Its totient is φ = 322592486400.

The previous prime is 1121233313173. The next prime is 1121233313203. The reversal of 1121233313200 is 23133321211.

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

It is not an unprimeable number, because it can be changed into a prime (1121233313203) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 999742 + ... + 1800541.

Almost surely, 2^{1121233313200} is an apocalyptic number.

1121233313200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121233313200 is an abundant number, since it is smaller than the sum of its proper divisors (2495568696656).

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

1121233313200 is a wasteful number, since it uses less digits than its factorization.

1121233313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800332 (or 2800321 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1121233313200 its reverse (23133321211), we get a palindrome (1144366634411).

The spelling of 1121233313200 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred".