1332213221321 has 2 divisors, whose sum is σ = 1332213221322. Its totient is φ = 1332213221320.

The previous prime is 1332213221309. The next prime is 1332213221351. The reversal of 1332213221321 is 1231223122331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1213656958921 + 118556262400 = 1101661^2 + 344320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332213221321 - 2¹⁰ = 1332213220297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1332213221351) 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 as a sum of consecutive naturals, namely, 666106610660 + 666106610661.

It is an arithmetic number, because the mean of its divisors is an integer number (666106610661).

Almost surely, 2^{1332213221321} is an apocalyptic number.

It is an amenable number.

1332213221321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332213221321 is an equidigital number, since it uses as much as digits as its factorization.

1332213221321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

Adding to 1332213221321 its reverse (1231223122331), we get a palindrome (2563436343652).

The spelling of 1332213221321 in words is "one trillion, three hundred thirty-two billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred twenty-one".