121322313020100 has 72 divisors (see below), whose sum is σ = 355255120029600. Its totient is φ = 31962826234880.

The previous prime is 121322313020087. The next prime is 121322313020179. The reversal of 121322313020100 is 1020313223121.

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, 2436166125 + ... + 2436215924.

It is an arithmetic number, because the mean of its divisors is an integer number (4934098889300).

Almost surely, 2^{121322313020100} is an apocalyptic number.

121322313020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121322313020100 is an abundant number, since it is smaller than the sum of its proper divisors (233932807009500).

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

121322313020100 is a wasteful number, since it uses less digits than its factorization.

121322313020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872382149 (or 4872382142 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121322313020100 its reverse (1020313223121), we get a palindrome (122342626243221).

The spelling of 121322313020100 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, three hundred thirteen million, twenty thousand, one hundred".