1320232221311 has 2 divisors, whose sum is σ = 1320232221312. Its totient is φ = 1320232221310.

The previous prime is 1320232221293. The next prime is 1320232221323. The reversal of 1320232221311 is 1131222320231.

It is a strong prime.

It is an emirp because it is prime and its reverse (1131222320231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320232221311 - 2⁶ = 1320232221247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320232221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660116110655 + 660116110656.

It is an arithmetic number, because the mean of its divisors is an integer number (660116110656).

Almost surely, 2^{1320232221311} is an apocalyptic number.

1320232221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320232221311 is an equidigital number, since it uses as much as digits as its factorization.

1320232221311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1320232221311 its reverse (1131222320231), we get a palindrome (2451454541542).

The spelling of 1320232221311 in words is "one trillion, three hundred twenty billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred eleven".