2001321300001 has 4 divisors (see below), whose sum is σ = 2119046082372. Its totient is φ = 1883596517632.

The previous prime is 2001321299987. The next prime is 2001321300007. The reversal of 2001321300001 is 1000031231002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1417709336976 + 583611963025 = 1190676^2 + 763945^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001321300001 - 2²³ = 2001312911393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001321300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58862391160 + ... + 58862391193.

It is an arithmetic number, because the mean of its divisors is an integer number (529761520593).

Almost surely, 2^{2001321300001} is an apocalyptic number.

It is an amenable number.

2001321300001 is a deficient number, since it is larger than the sum of its proper divisors (117724782371).

2001321300001 is a wasteful number, since it uses less digits than its factorization.

2001321300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117724782370.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 2001321300001 its reverse (1000031231002), we get a palindrome (3001352531003).

The spelling of 2001321300001 in words is "two trillion, one billion, three hundred twenty-one million, three hundred thousand, one".