2002000101009 has 4 divisors (see below), whose sum is σ = 2669333468016. Its totient is φ = 1334666734004.

The previous prime is 2002000100999. The next prime is 2002000101029. The reversal of 2002000101009 is 9001010002002.

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 2002000101009 - 2⁵ = 2002000100977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002000101029) 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, 333666683499 + ... + 333666683504.

It is an arithmetic number, because the mean of its divisors is an integer number (667333367004).

Almost surely, 2^{2002000101009} is an apocalyptic number.

It is an amenable number.

2002000101009 is a deficient number, since it is larger than the sum of its proper divisors (667333367007).

2002000101009 is an equidigital number, since it uses as much as digits as its factorization.

2002000101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667333367006.

The product of its (nonzero) digits is 36, while the sum is 15.

The spelling of 2002000101009 in words is "two trillion, two billion, one hundred one thousand, nine".