221322035113 has 2 divisors, whose sum is σ = 221322035114. Its totient is φ = 221322035112.

The previous prime is 221322035093. The next prime is 221322035141. The reversal of 221322035113 is 311530223122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126339726249 + 94982308864 = 355443^2 + 308192^2 .

It is a cyclic number.

It is not a de Polignac number, because 221322035113 - 2¹³ = 221322026921 is a prime.

It is not a weakly prime, because it can be changed into another prime (221322035413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110661017556 + 110661017557.

It is an arithmetic number, because the mean of its divisors is an integer number (110661017557).

Almost surely, 2^221322035113 is an apocalyptic number.

It is an amenable number.

221322035113 is a deficient number, since it is larger than the sum of its proper divisors (1).

221322035113 is an equidigital number, since it uses as much as digits as its factorization.

221322035113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 221322035113 its reverse (311530223122), we get a palindrome (532852258235).

The spelling of 221322035113 in words is "two hundred twenty-one billion, three hundred twenty-two million, thirty-five thousand, one hundred thirteen".