121330033320220 has 24 divisors (see below), whose sum is σ = 268203231550800. Its totient is φ = 45977696836992.

The previous prime is 121330033320149. The next prime is 121330033320227. The reversal of 121330033320220 is 22023330033121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330033320227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159644780305 + ... + 159644781064.

It is an arithmetic number, because the mean of its divisors is an integer number (11175134647950).

Almost surely, 2^{121330033320220} is an apocalyptic number.

121330033320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121330033320220 is an abundant number, since it is smaller than the sum of its proper divisors (146873198230580).

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

121330033320220 is a wasteful number, since it uses less digits than its factorization.

121330033320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319289561397 (or 319289561395 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 121330033320220 its reverse (22023330033121), we get a palindrome (143353363353341).

The spelling of 121330033320220 in words is "one hundred twenty-one trillion, three hundred thirty billion, thirty-three million, three hundred twenty thousand, two hundred twenty".