121330313222100 has 72 divisors (see below), whose sum is σ = 352298324672448. Its totient is φ = 32239608710400.

The previous prime is 121330313222077. The next prime is 121330313222189. The reversal of 121330313222100 is 1222313033121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719549824 + ... + 719718423.

Almost surely, 2^{121330313222100} is an apocalyptic number.

121330313222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121330313222100 is an abundant number, since it is smaller than the sum of its proper divisors (230968011450348).

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

121330313222100 is a wasteful number, since it uses less digits than its factorization.

121330313222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439268545 (or 1439268538 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121330313222100 its reverse (1222313033121), we get a palindrome (122552626255221).

The spelling of 121330313222100 in words is "one hundred twenty-one trillion, three hundred thirty billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred".