221300006827 has 2 divisors, whose sum is σ = 221300006828. Its totient is φ = 221300006826.

The previous prime is 221300006813. The next prime is 221300006849. The reversal of 221300006827 is 728600003122.

221300006827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221300006827 - 2¹⁵ = 221299974059 is a prime.

It is not a weakly prime, because it can be changed into another prime (221300006857) 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, 110650003413 + 110650003414.

It is an arithmetic number, because the mean of its divisors is an integer number (110650003414).

Almost surely, 2^221300006827 is an apocalyptic number.

221300006827 is a deficient number, since it is larger than the sum of its proper divisors (1).

221300006827 is an equidigital number, since it uses as much as digits as its factorization.

221300006827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 221300006827 its reverse (728600003122), we get a palindrome (949900009949).

The spelling of 221300006827 in words is "two hundred twenty-one billion, three hundred million, six thousand, eight hundred twenty-seven".