21334210302017 has 2 divisors, whose sum is σ = 21334210302018. Its totient is φ = 21334210302016.

The previous prime is 21334210302007. The next prime is 21334210302023. The reversal of 21334210302017 is 71020301243312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15003506446096 + 6330703855921 = 3873436^2 + 2516089^2 .

It is a cyclic number.

It is not a de Polignac number, because 21334210302017 - 2¹⁶ = 21334210236481 is a prime.

It is not a weakly prime, because it can be changed into another prime (21334210302007) 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, 10667105151008 + 10667105151009.

It is an arithmetic number, because the mean of its divisors is an integer number (10667105151009).

Almost surely, 2^{21334210302017} is an apocalyptic number.

It is an amenable number.

21334210302017 is a deficient number, since it is larger than the sum of its proper divisors (1).

21334210302017 is an equidigital number, since it uses as much as digits as its factorization.

21334210302017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 21334210302017 its reverse (71020301243312), we get a palindrome (92354511545329).

The spelling of 21334210302017 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred two thousand, seventeen".