221301342303113 has 2 divisors, whose sum is σ = 221301342303114. Its totient is φ = 221301342303112.

The previous prime is 221301342303103. The next prime is 221301342303131. The reversal of 221301342303113 is 311303243103122.

Together with next prime (221301342303131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219872342016649 + 1429000286464 = 14828093^2 + 1195408^2 .

It is a cyclic number.

It is not a de Polignac number, because 221301342303113 - 2²⁴ = 221301325525897 is a prime.

It is not a weakly prime, because it can be changed into another prime (221301342303103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650671151556 + 110650671151557.

It is an arithmetic number, because the mean of its divisors is an integer number (110650671151557).

Almost surely, 2^{221301342303113} is an apocalyptic number.

It is an amenable number.

221301342303113 is a deficient number, since it is larger than the sum of its proper divisors (1).

221301342303113 is an equidigital number, since it uses as much as digits as its factorization.

221301342303113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 221301342303113 its reverse (311303243103122), we get a palindrome (532604585406235).

The spelling of 221301342303113 in words is "two hundred twenty-one trillion, three hundred one billion, three hundred forty-two million, three hundred three thousand, one hundred thirteen".