2001321303089 has 2 divisors, whose sum is σ = 2001321303090. Its totient is φ = 2001321303088.

The previous prime is 2001321303071. The next prime is 2001321303101. The reversal of 2001321303089 is 9803031231002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094969702464 + 906351600625 = 1046408^2 + 952025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001321303089 - 2²⁰ = 2001320254513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001321303019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000660651544 + 1000660651545.

It is an arithmetic number, because the mean of its divisors is an integer number (1000660651545).

Almost surely, 2^{2001321303089} is an apocalyptic number.

It is an amenable number.

2001321303089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001321303089 is an equidigital number, since it uses as much as digits as its factorization.

2001321303089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 2001321303089 in words is "two trillion, one billion, three hundred twenty-one million, three hundred three thousand, eighty-nine".