2002011199987 has 2 divisors, whose sum is σ = 2002011199988. Its totient is φ = 2002011199986.

The previous prime is 2002011199873. The next prime is 2002011200027. The reversal of 2002011199987 is 7899911102002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002011199987 - 2¹¹ = 2002011197939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002011199987.

It is not a weakly prime, because it can be changed into another prime (2002011199087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001005599993 + 1001005599994.

It is an arithmetic number, because the mean of its divisors is an integer number (1001005599994).

Almost surely, 2^{2002011199987} is an apocalyptic number.

2002011199987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002011199987 is an equidigital number, since it uses as much as digits as its factorization.

2002011199987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 2002011199987 in words is "two trillion, two billion, eleven million, one hundred ninety-nine thousand, nine hundred eighty-seven".