221412504360233 has 2 divisors, whose sum is σ = 221412504360234. Its totient is φ = 221412504360232.

The previous prime is 221412504360221. The next prime is 221412504360337. The reversal of 221412504360233 is 332063405214122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172162819092889 + 49249685267344 = 13121083^2 + 7017812^2 .

It is a cyclic number.

It is not a de Polignac number, because 221412504360233 - 2⁴ = 221412504360217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (221412504360433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110706252180116 + 110706252180117.

It is an arithmetic number, because the mean of its divisors is an integer number (110706252180117).

Almost surely, 2^{221412504360233} is an apocalyptic number.

It is an amenable number.

221412504360233 is a deficient number, since it is larger than the sum of its proper divisors (1).

221412504360233 is an equidigital number, since it uses as much as digits as its factorization.

221412504360233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 221412504360233 its reverse (332063405214122), we get a palindrome (553475909574355).

The spelling of 221412504360233 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred four million, three hundred sixty thousand, two hundred thirty-three".