2001310232101 has 16 divisors (see below), whose sum is σ = 2146851786240. Its totient is φ = 1859805005760.

The previous prime is 2001310232099. The next prime is 2001310232123. The reversal of 2001310232101 is 1012320131002.

It is a cyclic number.

It is not a de Polignac number, because 2001310232101 - 2¹ = 2001310232099 is a prime.

It is a super-2 number, since 2×2001310232101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001310292101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4524631 + ... + 4947211.

It is an arithmetic number, because the mean of its divisors is an integer number (134178236640).

Almost surely, 2^{2001310232101} is an apocalyptic number.

It is an amenable number.

2001310232101 is a deficient number, since it is larger than the sum of its proper divisors (145541554139).

2001310232101 is a wasteful number, since it uses less digits than its factorization.

2001310232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427356.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2001310232101 its reverse (1012320131002), we get a palindrome (3013630363103).

The spelling of 2001310232101 in words is "two trillion, one billion, three hundred ten million, two hundred thirty-two thousand, one hundred one".