221300304047 has 2 divisors, whose sum is σ = 221300304048. Its totient is φ = 221300304046.

The previous prime is 221300303957. The next prime is 221300304083. The reversal of 221300304047 is 740403003122.

221300304047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221300304047 - 2³⁴ = 204120434863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221300304347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650152023 + 110650152024.

It is an arithmetic number, because the mean of its divisors is an integer number (110650152024).

Almost surely, 2^221300304047 is an apocalyptic number.

221300304047 is a deficient number, since it is larger than the sum of its proper divisors (1).

221300304047 is an equidigital number, since it uses as much as digits as its factorization.

221300304047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 221300304047 its reverse (740403003122), we get a palindrome (961703307169).

The spelling of 221300304047 in words is "two hundred twenty-one billion, three hundred million, three hundred four thousand, forty-seven".