120320221313 has 4 divisors (see below), whose sum is σ = 126652864560. Its totient is φ = 113987578068.

The previous prime is 120320221297. The next prime is 120320221331. The reversal of 120320221313 is 313122023021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313122023021 = 97 ⋅3228062093.

It is a cyclic number.

It is not a de Polignac number, because 120320221313 - 2⁴ = 120320221297 is a prime.

It is a super-3 number, since 3×120320221313³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120320221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166321595 + ... + 3166321632.

It is an arithmetic number, because the mean of its divisors is an integer number (31663216140).

Almost surely, 2^120320221313 is an apocalyptic number.

It is an amenable number.

120320221313 is a deficient number, since it is larger than the sum of its proper divisors (6332643247).

120320221313 is an equidigital number, since it uses as much as digits as its factorization.

120320221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332643246.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120320221313 its reverse (313122023021), we get a palindrome (433442244334).

The spelling of 120320221313 in words is "one hundred twenty billion, three hundred twenty million, two hundred twenty-one thousand, three hundred thirteen".