221411650211 has 2 divisors, whose sum is σ = 221411650212. Its totient is φ = 221411650210.

The previous prime is 221411650151. The next prime is 221411650241. The reversal of 221411650211 is 112056114122.

It is a happy number.

221411650211 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 221411650211 - 2¹⁴ = 221411633827 is a prime.

It is not a weakly prime, because it can be changed into another prime (221411650241) 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, 110705825105 + 110705825106.

It is an arithmetic number, because the mean of its divisors is an integer number (110705825106).

Almost surely, 2^221411650211 is an apocalyptic number.

221411650211 is a deficient number, since it is larger than the sum of its proper divisors (1).

221411650211 is an equidigital number, since it uses as much as digits as its factorization.

221411650211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 221411650211 its reverse (112056114122), we get a palindrome (333467764333).

The spelling of 221411650211 in words is "two hundred twenty-one billion, four hundred eleven million, six hundred fifty thousand, two hundred eleven".