121103323200 has 252 divisors, whose sum is σ = 433015826880. Its totient is φ = 32100203520.

The previous prime is 121103323163. The next prime is 121103323273. The reversal of 121103323200 is 2323301121.

121103323200 is a `hidden beast` number, since 1 + 2 + 1 + 10 + 332 + 320 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2379621 + ... + 2429979.

Almost surely, 2^121103323200 is an apocalyptic number.

121103323200 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 121103323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216507913440).

121103323200 is an abundant number, since it is smaller than the sum of its proper divisors (311912503680).

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

121103323200 is a wasteful number, since it uses less digits than its factorization.

121103323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50554 (or 50536 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121103323200 its reverse (2323301121), we get a palindrome (123426624321).

The spelling of 121103323200 in words is "one hundred twenty-one billion, one hundred three million, three hundred twenty-three thousand, two hundred".