2002111199917 has 2 divisors, whose sum is σ = 2002111199918. Its totient is φ = 2002111199916.

The previous prime is 2002111199909. The next prime is 2002111199929. The reversal of 2002111199917 is 7199911112002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999661840836 + 2449359081 = 1414094^2 + 49491^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002111199917 - 2³ = 2002111199909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002711199917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001055599958 + 1001055599959.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055599959).

Almost surely, 2^{2002111199917} is an apocalyptic number.

It is an amenable number.

2002111199917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002111199917 is an equidigital number, since it uses as much as digits as its factorization.

2002111199917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 2002111199917 in words is "two trillion, two billion, one hundred eleven million, one hundred ninety-nine thousand, nine hundred seventeen".