1320322210401 has 4 divisors (see below), whose sum is σ = 1760429613872. Its totient is φ = 880214806932.

The previous prime is 1320322210399. The next prime is 1320322210429. The reversal of 1320322210401 is 1040122230231.

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 1320322210401 - 2¹ = 1320322210399 is a prime.

It is a super-3 number, since 3×1320322210401³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320322212401) 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, 220053701731 + ... + 220053701736.

It is an arithmetic number, because the mean of its divisors is an integer number (440107403468).

Almost surely, 2^{1320322210401} is an apocalyptic number.

It is an amenable number.

1320322210401 is a deficient number, since it is larger than the sum of its proper divisors (440107403471).

1320322210401 is an equidigital number, since it uses as much as digits as its factorization.

1320322210401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440107403470.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1320322210401 its reverse (1040122230231), we get a palindrome (2360444440632).

The spelling of 1320322210401 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, two hundred ten thousand, four hundred one".