121056570313 has 4 divisors (see below), whose sum is σ = 138350366080. Its totient is φ = 103762774548.

The previous prime is 121056570211. The next prime is 121056570317. The reversal of 121056570313 is 313075650121.

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 121056570313 - 2²¹ = 121054473161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121056570317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8646897873 + ... + 8646897886.

It is an arithmetic number, because the mean of its divisors is an integer number (34587591520).

Almost surely, 2^121056570313 is an apocalyptic number.

It is an amenable number.

121056570313 is a deficient number, since it is larger than the sum of its proper divisors (17293795767).

121056570313 is an equidigital number, since it uses as much as digits as its factorization.

121056570313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17293795766.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 121056570313 in words is "one hundred twenty-one billion, fifty-six million, five hundred seventy thousand, three hundred thirteen".