2002110021187 has 2 divisors, whose sum is σ = 2002110021188. Its totient is φ = 2002110021186.

The previous prime is 2002110021169. The next prime is 2002110021251. The reversal of 2002110021187 is 7811200112002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002110021187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002110021157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001055010593 + 1001055010594.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055010594).

Almost surely, 2^{2002110021187} is an apocalyptic number.

2002110021187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002110021187 is an equidigital number, since it uses as much as digits as its factorization.

2002110021187 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 25.

Adding to 2002110021187 its reverse (7811200112002), we get a palindrome (9813310133189).

The spelling of 2002110021187 in words is "two trillion, two billion, one hundred ten million, twenty-one thousand, one hundred eighty-seven".