221200114717 has 2 divisors, whose sum is σ = 221200114718. Its totient is φ = 221200114716.

The previous prime is 221200114621. The next prime is 221200114741. The reversal of 221200114717 is 717411002122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219018384036 + 2181730681 = 467994^2 + 46709^2 .

It is a cyclic number.

It is not a de Polignac number, because 221200114717 - 2⁷ = 221200114589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221200114517) 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, 110600057358 + 110600057359.

It is an arithmetic number, because the mean of its divisors is an integer number (110600057359).

Almost surely, 2^221200114717 is an apocalyptic number.

It is an amenable number.

221200114717 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200114717 is an equidigital number, since it uses as much as digits as its factorization.

221200114717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

Adding to 221200114717 its reverse (717411002122), we get a palindrome (938611116839).

The spelling of 221200114717 in words is "two hundred twenty-one billion, two hundred million, one hundred fourteen thousand, seven hundred seventeen".