2001321113113 has 32 divisors (see below), whose sum is σ = 2387161497600. Its totient is φ = 1642457404224.

The previous prime is 2001321113111. The next prime is 2001321113131. The reversal of 2001321113113 is 3113111231002.

It is not a de Polignac number, because 2001321113113 - 2¹ = 2001321113111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001321113111) 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 31 ways as a sum of consecutive naturals, for example, 2479806 + ... + 3186232.

It is an arithmetic number, because the mean of its divisors is an integer number (74598796800).

Almost surely, 2^{2001321113113} is an apocalyptic number.

It is an amenable number.

2001321113113 is a deficient number, since it is larger than the sum of its proper divisors (385840384487).

2001321113113 is a wasteful number, since it uses less digits than its factorization.

2001321113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706669.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2001321113113 its reverse (3113111231002), we get a palindrome (5114432344115).

The spelling of 2001321113113 in words is "two trillion, one billion, three hundred twenty-one million, one hundred thirteen thousand, one hundred thirteen".