221322030113 has 2 divisors, whose sum is σ = 221322030114. Its totient is φ = 221322030112.

The previous prime is 221322030079. The next prime is 221322030191. The reversal of 221322030113 is 311030223122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220591787584 + 730242529 = 469672^2 + 27023^2 .

It is a cyclic number.

It is not a de Polignac number, because 221322030113 - 2²⁴ = 221305252897 is a prime.

It is not a weakly prime, because it can be changed into another prime (221322035113) 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, 110661015056 + 110661015057.

It is an arithmetic number, because the mean of its divisors is an integer number (110661015057).

Almost surely, 2^221322030113 is an apocalyptic number.

It is an amenable number.

221322030113 is a deficient number, since it is larger than the sum of its proper divisors (1).

221322030113 is an equidigital number, since it uses as much as digits as its factorization.

221322030113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221322030113 its reverse (311030223122), we get a palindrome (532352253235).

The spelling of 221322030113 in words is "two hundred twenty-one billion, three hundred twenty-two million, thirty thousand, one hundred thirteen".