1002002200187 has 2 divisors, whose sum is σ = 1002002200188. Its totient is φ = 1002002200186.

The previous prime is 1002002200159. The next prime is 1002002200217. The reversal of 1002002200187 is 7810022002001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002002200187 - 2²⁰ = 1002001151611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002002200687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501001100093 + 501001100094.

It is an arithmetic number, because the mean of its divisors is an integer number (501001100094).

Almost surely, 2^{1002002200187} is an apocalyptic number.

1002002200187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002002200187 is an equidigital number, since it uses as much as digits as its factorization.

1002002200187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1002002200187 its reverse (7810022002001), we get a palindrome (8812024202188).

The spelling of 1002002200187 in words is "one trillion, two billion, two million, two hundred thousand, one hundred eighty-seven".