2002000201109 has 2 divisors, whose sum is σ = 2002000201110. Its totient is φ = 2002000201108.

The previous prime is 2002000201099. The next prime is 2002000201111. The reversal of 2002000201109 is 9011020002002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065901380625 + 936098820484 = 1032425^2 + 967522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002000201109 - 2²⁴ = 2001983423893 is a prime.

Together with 2002000201111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002000201199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000100554 + 1001000100555.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000100555).

Almost surely, 2^{2002000201109} is an apocalyptic number.

It is an amenable number.

2002000201109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002000201109 is an equidigital number, since it uses as much as digits as its factorization.

2002000201109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 2002000201109 in words is "two trillion, two billion, two hundred one thousand, one hundred nine".