2001010201321 has 8 divisors (see below), whose sum is σ = 2023541913600. Its totient is φ = 1978479565920.

The previous prime is 2001010201283. The next prime is 2001010201331. The reversal of 2001010201321 is 1231020101002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001010201321 - 2²³ = 2001001812713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001010201331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814800 + ... + 4307518.

It is an arithmetic number, because the mean of its divisors is an integer number (252942739200).

Almost surely, 2^{2001010201321} is an apocalyptic number.

It is an amenable number.

2001010201321 is a deficient number, since it is larger than the sum of its proper divisors (22531712279).

2001010201321 is an equidigital number, since it uses as much as digits as its factorization.

2001010201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538439.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2001010201321 its reverse (1231020101002), we get a palindrome (3232030302323).

The spelling of 2001010201321 in words is "two trillion, one billion, ten million, two hundred one thousand, three hundred twenty-one".