2003201332321 has 16 divisors (see below), whose sum is σ = 2395109445120. Its totient is φ = 1639509419520.

The previous prime is 2003201332303. The next prime is 2003201332333. The reversal of 2003201332321 is 1232331023002.

It is not a de Polignac number, because 2003201332321 - 2⁹ = 2003201331809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003201332292 and 2003201332301.

It is not an unprimeable number, because it can be changed into a prime (2003201332361) 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 15 ways as a sum of consecutive naturals, for example, 74239656 + ... + 74266633.

It is an arithmetic number, because the mean of its divisors is an integer number (149694340320).

Almost surely, 2^{2003201332321} is an apocalyptic number.

It is an amenable number.

2003201332321 is a deficient number, since it is larger than the sum of its proper divisors (391908112799).

2003201332321 is a wasteful number, since it uses less digits than its factorization.

2003201332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148506384.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2003201332321 its reverse (1232331023002), we get a palindrome (3235532355323).

The spelling of 2003201332321 in words is "two trillion, three billion, two hundred one million, three hundred thirty-two thousand, three hundred twenty-one".