2001044301321 has 16 divisors (see below), whose sum is σ = 3042311698944. Its totient is φ = 1158975884544.

The previous prime is 2001044301259. The next prime is 2001044301353. The reversal of 2001044301321 is 1231034401002.

It is not a de Polignac number, because 2001044301321 - 2¹¹ = 2001044299273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2001044301391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509082521 + ... + 1509083846.

It is an arithmetic number, because the mean of its divisors is an integer number (190144481184).

Almost surely, 2^{2001044301321} is an apocalyptic number.

It is an amenable number.

2001044301321 is a deficient number, since it is larger than the sum of its proper divisors (1041267397623).

2001044301321 is a wasteful number, since it uses less digits than its factorization.

2001044301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018166400.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2001044301321 its reverse (1231034401002), we get a palindrome (3232078702323).

The spelling of 2001044301321 in words is "two trillion, one billion, forty-four million, three hundred one thousand, three hundred twenty-one".