2002102002101 has 4 divisors (see below), whose sum is σ = 2036035934400. Its totient is φ = 1968168069804.

The previous prime is 2002102002097. The next prime is 2002102002157. The reversal of 2002102002101 is 1012002012002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002102002101 - 2² = 2002102002097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002102004101) 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, 16966966061 + ... + 16966966178.

It is an arithmetic number, because the mean of its divisors is an integer number (509008983600).

Almost surely, 2^{2002102002101} is an apocalyptic number.

It is an amenable number.

2002102002101 is a deficient number, since it is larger than the sum of its proper divisors (33933932299).

2002102002101 is an equidigital number, since it uses as much as digits as its factorization.

2002102002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33933932298.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002102002101 its reverse (1012002012002), we get a palindrome (3014104014103).

Subtracting from 2002102002101 its reverse (1012002012002), we obtain a palindrome (990099990099).

The spelling of 2002102002101 in words is "two trillion, two billion, one hundred two million, two thousand, one hundred one".