320303030120221 has 16 divisors (see below), whose sum is σ = 331186450982400. Its totient is φ = 309659330268288.

The previous prime is 320303030120179. The next prime is 320303030120239. The reversal of 320303030120221 is 122021030303023.

It is a cyclic number.

It is not a de Polignac number, because 320303030120221 - 2¹⁷ = 320303029989149 is a prime.

It is a super-2 number, since 2×320303030120221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320303030120192 and 320303030120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320303030120251) 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 15 ways as a sum of consecutive naturals, for example, 220420606 + ... + 221868991.

It is an arithmetic number, because the mean of its divisors is an integer number (20699153186400).

Almost surely, 2^{320303030120221} is an apocalyptic number.

It is an amenable number.

320303030120221 is a deficient number, since it is larger than the sum of its proper divisors (10883420862179).

320303030120221 is a wasteful number, since it uses less digits than its factorization.

320303030120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442289868.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320303030120221 its reverse (122021030303023), we get a palindrome (442324060423244).

The spelling of 320303030120221 in words is "three hundred twenty trillion, three hundred three billion, thirty million, one hundred twenty thousand, two hundred twenty-one".