201044422291 has 2 divisors, whose sum is σ = 201044422292. Its totient is φ = 201044422290.

The previous prime is 201044422289. The next prime is 201044422331. The reversal of 201044422291 is 192224440102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201044422291 - 2¹ = 201044422289 is a prime.

Together with 201044422289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201044422231) 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, 100522211145 + 100522211146.

It is an arithmetic number, because the mean of its divisors is an integer number (100522211146).

Almost surely, 2^201044422291 is an apocalyptic number.

201044422291 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044422291 is an equidigital number, since it uses as much as digits as its factorization.

201044422291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 201044422291 its reverse (192224440102), we get a palindrome (393268862393).

The spelling of 201044422291 in words is "two hundred one billion, forty-four million, four hundred twenty-two thousand, two hundred ninety-one".