202010201010187 has 2 divisors, whose sum is σ = 202010201010188. Its totient is φ = 202010201010186.

The previous prime is 202010201010181. The next prime is 202010201010221. The reversal of 202010201010187 is 781010102010202.

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-202010201010187 is a prime.

It is not a weakly prime, because it can be changed into another prime (202010201010181) 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, 101005100505093 + 101005100505094.

It is an arithmetic number, because the mean of its divisors is an integer number (101005100505094).

Almost surely, 2^{202010201010187} is an apocalyptic number.

202010201010187 is a deficient number, since it is larger than the sum of its proper divisors (1).

202010201010187 is an equidigital number, since it uses as much as digits as its factorization.

202010201010187 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 202010201010187 its reverse (781010102010202), we get a palindrome (983020303020389).

The spelling of 202010201010187 in words is "two hundred two trillion, ten billion, two hundred one million, ten thousand, one hundred eighty-seven".