1321012022311 has 2 divisors, whose sum is σ = 1321012022312. Its totient is φ = 1321012022310.

The previous prime is 1321012022293. The next prime is 1321012022381. The reversal of 1321012022311 is 1132202101231.

It is a weak prime.

It is an emirp because it is prime and its reverse (1132202101231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1321012022311 - 2³⁹ = 771256208423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321012022381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660506011155 + 660506011156.

It is an arithmetic number, because the mean of its divisors is an integer number (660506011156).

Almost surely, 2^{1321012022311} is an apocalyptic number.

1321012022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321012022311 is an equidigital number, since it uses as much as digits as its factorization.

1321012022311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1321012022311 its reverse (1132202101231), we get a palindrome (2453214123542).

The spelling of 1321012022311 in words is "one trillion, three hundred twenty-one billion, twelve million, twenty-two thousand, three hundred eleven".