2321113001209 has 2 divisors, whose sum is σ = 2321113001210. Its totient is φ = 2321113001208.

The previous prime is 2321113001201. The next prime is 2321113001219. The reversal of 2321113001209 is 9021003111232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196993541184 + 1124119460025 = 1094072^2 + 1060245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321113001209 - 2³ = 2321113001201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321113001201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160556500604 + 1160556500605.

It is an arithmetic number, because the mean of its divisors is an integer number (1160556500605).

Almost surely, 2^{2321113001209} is an apocalyptic number.

It is an amenable number.

2321113001209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321113001209 is an equidigital number, since it uses as much as digits as its factorization.

2321113001209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 2321113001209 in words is "two trillion, three hundred twenty-one billion, one hundred thirteen million, one thousand, two hundred nine".