2001002312103 has 16 divisors (see below), whose sum is σ = 2826131065056. Its totient is φ = 1255003473920.

The previous prime is 2001002312087. The next prime is 2001002312159. The reversal of 2001002312103 is 3012132001002.

It is not a de Polignac number, because 2001002312103 - 2⁴ = 2001002312087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001002312003) 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 15 ways as a sum of consecutive naturals, for example, 8117826 + ... + 8360687.

It is an arithmetic number, because the mean of its divisors is an integer number (176633191566).

Almost surely, 2^{2001002312103} is an apocalyptic number.

2001002312103 is a deficient number, since it is larger than the sum of its proper divisors (825128752953).

2001002312103 is a wasteful number, since it uses less digits than its factorization.

2001002312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16480914.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2001002312103 its reverse (3012132001002), we get a palindrome (5013134313105).

The spelling of 2001002312103 in words is "two trillion, one billion, two million, three hundred twelve thousand, one hundred three".