1300320322221 has 4 divisors (see below), whose sum is σ = 1733760429632. Its totient is φ = 866880214812.

The previous prime is 1300320322123. The next prime is 1300320322253. The reversal of 1300320322221 is 1222230230031.

It is a happy number.

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 not a de Polignac number, because 1300320322221 - 2¹⁵ = 1300320289453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300320322271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216720053701 + ... + 216720053706.

It is an arithmetic number, because the mean of its divisors is an integer number (433440107408).

Almost surely, 2^{1300320322221} is an apocalyptic number.

It is an amenable number.

1300320322221 is a deficient number, since it is larger than the sum of its proper divisors (433440107411).

1300320322221 is an equidigital number, since it uses as much as digits as its factorization.

1300320322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433440107410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1300320322221 its reverse (1222230230031), we get a palindrome (2522550552252).

The spelling of 1300320322221 in words is "one trillion, three hundred billion, three hundred twenty million, three hundred twenty-two thousand, two hundred twenty-one".