121322543457313 has 4 divisors (see below), whose sum is σ = 132351865589808. Its totient is φ = 110293221324820.

The previous prime is 121322543457289. The next prime is 121322543457319. The reversal of 121322543457313 is 313754345223121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121322543457313 - 2¹⁷ = 121322543326241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322543457319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5514661066231 + ... + 5514661066252.

It is an arithmetic number, because the mean of its divisors is an integer number (33087966397452).

Almost surely, 2^{121322543457313} is an apocalyptic number.

It is an amenable number.

121322543457313 is a deficient number, since it is larger than the sum of its proper divisors (11029322132495).

121322543457313 is a wasteful number, since it uses less digits than its factorization.

121322543457313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029322132494.

The product of its digits is 1814400, while the sum is 46.

The spelling of 121322543457313 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, five hundred forty-three million, four hundred fifty-seven thousand, three hundred thirteen".