2002102123187 has 2 divisors, whose sum is σ = 2002102123188. Its totient is φ = 2002102123186.

The previous prime is 2002102123181. The next prime is 2002102123243. The reversal of 2002102123187 is 7813212012002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002102123187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002102123181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001051061593 + 1001051061594.

It is an arithmetic number, because the mean of its divisors is an integer number (1001051061594).

Almost surely, 2^{2002102123187} is an apocalyptic number.

2002102123187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002102123187 is an equidigital number, since it uses as much as digits as its factorization.

2002102123187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 2002102123187 its reverse (7813212012002), we get a palindrome (9815314135189).

The spelling of 2002102123187 in words is "two trillion, two billion, one hundred two million, one hundred twenty-three thousand, one hundred eighty-seven".