200201210220191 has 2 divisors, whose sum is σ = 200201210220192. Its totient is φ = 200201210220190.

The previous prime is 200201210220163. The next prime is 200201210220307. The reversal of 200201210220191 is 191022012102002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200201210220191 - 2⁶ = 200201210220127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200201210228191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100605110095 + 100100605110096.

It is an arithmetic number, because the mean of its divisors is an integer number (100100605110096).

Almost surely, 2^{200201210220191} is an apocalyptic number.

200201210220191 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201210220191 is an equidigital number, since it uses as much as digits as its factorization.

200201210220191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 200201210220191 its reverse (191022012102002), we get a palindrome (391223222322193).

The spelling of 200201210220191 in words is "two hundred trillion, two hundred one billion, two hundred ten million, two hundred twenty thousand, one hundred ninety-one".