2001321013133 has 8 divisors (see below), whose sum is σ = 2155280590848. Its totient is φ = 1847363122224.

The previous prime is 2001321013103. The next prime is 2001321013141. The reversal of 2001321013133 is 3313101231002.

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 2001321013133 - 2¹⁰ = 2001321012109 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 (2001321013103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3185060 + ... + 3761282.

It is an arithmetic number, because the mean of its divisors is an integer number (269410073856).

Almost surely, 2^{2001321013133} is an apocalyptic number.

It is an amenable number.

2001321013133 is a deficient number, since it is larger than the sum of its proper divisors (153959577715).

2001321013133 is a wasteful number, since it uses less digits than its factorization.

2001321013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843403.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2001321013133 its reverse (3313101231002), we get a palindrome (5314422244135).

The spelling of 2001321013133 in words is "two trillion, one billion, three hundred twenty-one million, thirteen thousand, one hundred thirty-three".