201442244041 has 2 divisors, whose sum is σ = 201442244042. Its totient is φ = 201442244040.

The previous prime is 201442244023. The next prime is 201442244123. The reversal of 201442244041 is 140442244102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165157708816 + 36284535225 = 406396^2 + 190485^2 .

It is a cyclic number.

It is not a de Polignac number, because 201442244041 - 2¹⁹ = 201441719753 is a prime.

It is not a weakly prime, because it can be changed into another prime (201442244441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100721122020 + 100721122021.

It is an arithmetic number, because the mean of its divisors is an integer number (100721122021).

Almost surely, 2^201442244041 is an apocalyptic number.

It is an amenable number.

201442244041 is a deficient number, since it is larger than the sum of its proper divisors (1).

201442244041 is an equidigital number, since it uses as much as digits as its factorization.

201442244041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 201442244041 its reverse (140442244102), we get a palindrome (341884488143).

The spelling of 201442244041 in words is "two hundred one billion, four hundred forty-two million, two hundred forty-four thousand, forty-one".