121032321003330 has 192 divisors, whose sum is σ = 336210191493120. Its totient is φ = 27786935468160.

The previous prime is 121032321003301. The next prime is 121032321003331. The reversal of 121032321003330 is 33300123230121.

It is a self number, because there is not a number n which added to its sum of digits gives 121032321003330.

It is not an unprimeable number, because it can be changed into a prime (121032321003331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 193009879 + ... + 193635941.

It is an arithmetic number, because the mean of its divisors is an integer number (1751094747360).

Almost surely, 2^{121032321003330} is an apocalyptic number.

121032321003330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121032321003330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168105095746560).

121032321003330 is an abundant number, since it is smaller than the sum of its proper divisors (215177870489790).

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

121032321003330 is a wasteful number, since it uses less digits than its factorization.

121032321003330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628917 (or 628906 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 121032321003330 its reverse (33300123230121), we get a palindrome (154332444233451).

The spelling of 121032321003330 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred twenty-one million, three thousand, three hundred thirty".