2001210102113 has 4 divisors (see below), whose sum is σ = 2002876389828. Its totient is φ = 1999543814400.

The previous prime is 2001210102109. The next prime is 2001210102161. The reversal of 2001210102113 is 3112010121002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183383502289 + 1817826599824 = 428233^2 + 1348268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001210102113 - 2² = 2001210102109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001210102163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833142056 + ... + 833144457.

It is an arithmetic number, because the mean of its divisors is an integer number (500719097457).

Almost surely, 2^{2001210102113} is an apocalyptic number.

It is an amenable number.

2001210102113 is a deficient number, since it is larger than the sum of its proper divisors (1666287715).

2001210102113 is a wasteful number, since it uses less digits than its factorization.

2001210102113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666287714.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2001210102113 its reverse (3112010121002), we get a palindrome (5113220223115).

The spelling of 2001210102113 in words is "two trillion, one billion, two hundred ten million, one hundred two thousand, one hundred thirteen".