1321011112339 has 2 divisors, whose sum is σ = 1321011112340. Its totient is φ = 1321011112338.

The previous prime is 1321011112283. The next prime is 1321011112349. The reversal of 1321011112339 is 9332111101231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321011112339 - 2¹¹ = 1321011110291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1321011112349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660505556169 + 660505556170.

It is an arithmetic number, because the mean of its divisors is an integer number (660505556170).

Almost surely, 2^{1321011112339} is an apocalyptic number.

1321011112339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321011112339 is an equidigital number, since it uses as much as digits as its factorization.

1321011112339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 1321011112339 in words is "one trillion, three hundred twenty-one billion, eleven million, one hundred twelve thousand, three hundred thirty-nine".