221411645750227 has 2 divisors, whose sum is σ = 221411645750228. Its totient is φ = 221411645750226.

The previous prime is 221411645750219. The next prime is 221411645750327. The reversal of 221411645750227 is 722057546114122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221411645750227 - 2³ = 221411645750219 is a prime.

It is not a weakly prime, because it can be changed into another prime (221411645750027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110705822875113 + 110705822875114.

It is an arithmetic number, because the mean of its divisors is an integer number (110705822875114).

Almost surely, 2^{221411645750227} is an apocalyptic number.

221411645750227 is a deficient number, since it is larger than the sum of its proper divisors (1).

221411645750227 is an equidigital number, since it uses as much as digits as its factorization.

221411645750227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 221411645750227 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty-five million, seven hundred fifty thousand, two hundred twenty-seven".