10201002191 has 2 divisors, whose sum is σ = 10201002192. Its totient is φ = 10201002190.

The previous prime is 10201002179. The next prime is 10201002209. The reversal of 10201002191 is 19120010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10201002191 - 2¹⁸ = 10200740047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201002391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100501095 + 5100501096.

It is an arithmetic number, because the mean of its divisors is an integer number (5100501096).

Almost surely, 2^10201002191 is an apocalyptic number.

10201002191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201002191 is an equidigital number, since it uses as much as digits as its factorization.

10201002191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 10201002191 its reverse (19120010201), we get a palindrome (29321012392).

The spelling of 10201002191 in words is "ten billion, two hundred one million, two thousand, one hundred ninety-one".