42201030217 has 2 divisors, whose sum is σ = 42201030218. Its totient is φ = 42201030216.

The previous prime is 42201030181. The next prime is 42201030281. The reversal of 42201030217 is 71203010224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42067650816 + 133379401 = 205104^2 + 11549^2 .

It is a cyclic number.

It is not a de Polignac number, because 42201030217 - 2⁷ = 42201030089 is a prime.

It is a super-3 number, since 3×42201030217³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (42201036217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100515108 + 21100515109.

It is an arithmetic number, because the mean of its divisors is an integer number (21100515109).

Almost surely, 2^42201030217 is an apocalyptic number.

It is an amenable number.

42201030217 is a deficient number, since it is larger than the sum of its proper divisors (1).

42201030217 is an equidigital number, since it uses as much as digits as its factorization.

42201030217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The spelling of 42201030217 in words is "forty-two billion, two hundred one million, thirty thousand, two hundred seventeen".