2001322421013 has 16 divisors (see below), whose sum is σ = 2669541195776. Its totient is φ = 1333659420720.

The previous prime is 2001322421003. The next prime is 2001322421023. The reversal of 2001322421013 is 3101242231002.

It is an interprime number because it is at equal distance from previous prime (2001322421003) and next prime (2001322421023).

It is not a de Polignac number, because 2001322421013 - 2⁴ = 2001322420997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001322421003) 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, 118898508 + ... + 118915338.

It is an arithmetic number, because the mean of its divisors is an integer number (166846324736).

Almost surely, 2^{2001322421013} is an apocalyptic number.

It is an amenable number.

2001322421013 is a deficient number, since it is larger than the sum of its proper divisors (668218774763).

2001322421013 is a wasteful number, since it uses less digits than its factorization.

2001322421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30984.

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

Adding to 2001322421013 its reverse (3101242231002), we get a palindrome (5102564652015).

The spelling of 2001322421013 in words is "two trillion, one billion, three hundred twenty-two million, four hundred twenty-one thousand, thirteen".