221113311163 has 2 divisors, whose sum is σ = 221113311164. Its totient is φ = 221113311162.

The previous prime is 221113311143. The next prime is 221113311187. The reversal of 221113311163 is 361113311122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221113311163 is a prime.

It is not a weakly prime, because it can be changed into another prime (221113311143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556655581 + 110556655582.

It is an arithmetic number, because the mean of its divisors is an integer number (110556655582).

Almost surely, 2^221113311163 is an apocalyptic number.

221113311163 is a deficient number, since it is larger than the sum of its proper divisors (1).

221113311163 is an equidigital number, since it uses as much as digits as its factorization.

221113311163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

Adding to 221113311163 its reverse (361113311122), we get a palindrome (582226622285).

The spelling of 221113311163 in words is "two hundred twenty-one billion, one hundred thirteen million, three hundred eleven thousand, one hundred sixty-three".