20002102110001 has 8 divisors (see below), whose sum is σ = 21820985688384. Its totient is φ = 18183303641520.

The previous prime is 20002102109953. The next prime is 20002102110071. The reversal of 20002102110001 is 10001120120002.

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 20002102110001 - 2¹⁵ = 20002102077233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002102110001.

It is not an unprimeable number, because it can be changed into a prime (20002102110071) 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 7 ways as a sum of consecutive naturals, for example, 20785581 + ... + 21726586.

It is an arithmetic number, because the mean of its divisors is an integer number (2727623211048).

Almost surely, 2^{20002102110001} is an apocalyptic number.

It is an amenable number.

20002102110001 is a deficient number, since it is larger than the sum of its proper divisors (1818883578383).

20002102110001 is a wasteful number, since it uses less digits than its factorization.

20002102110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42554951.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20002102110001 its reverse (10001120120002), we get a palindrome (30003222230003).

The spelling of 20002102110001 in words is "twenty trillion, two billion, one hundred two million, one hundred ten thousand, one".