1320222220441 has 2 divisors, whose sum is σ = 1320222220442. Its totient is φ = 1320222220440.

The previous prime is 1320222220411. The next prime is 1320222220529. The reversal of 1320222220441 is 1440222220231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796377760000 + 523844460441 = 892400^2 + 723771^2 .

It is an emirp because it is prime and its reverse (1440222220231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320222220441 - 2⁹ = 1320222219929 is a prime.

It is a super-2 number, since 2×1320222220441² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1320222220411) 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 as a sum of consecutive naturals, namely, 660111110220 + 660111110221.

It is an arithmetic number, because the mean of its divisors is an integer number (660111110221).

Almost surely, 2^{1320222220441} is an apocalyptic number.

It is an amenable number.

1320222220441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320222220441 is an equidigital number, since it uses as much as digits as its factorization.

1320222220441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1320222220441 its reverse (1440222220231), we get a palindrome (2760444440672).

The spelling of 1320222220441 in words is "one trillion, three hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, four hundred forty-one".