201241666201 has 2 divisors, whose sum is σ = 201241666202. Its totient is φ = 201241666200.

The previous prime is 201241666183. The next prime is 201241666247. The reversal of 201241666201 is 102666142102.

It is a happy number.

201241666201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165388622400 + 35853043801 = 406680^2 + 189349^2 .

It is a cyclic number.

It is not a de Polignac number, because 201241666201 - 2²¹ = 201239569049 is a prime.

It is not a weakly prime, because it can be changed into another prime (201241660201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100620833100 + 100620833101.

It is an arithmetic number, because the mean of its divisors is an integer number (100620833101).

Almost surely, 2^201241666201 is an apocalyptic number.

It is an amenable number.

201241666201 is a deficient number, since it is larger than the sum of its proper divisors (1).

201241666201 is an equidigital number, since it uses as much as digits as its factorization.

201241666201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 201241666201 in words is "two hundred one billion, two hundred forty-one million, six hundred sixty-six thousand, two hundred one".