221000001163 has 2 divisors, whose sum is σ = 221000001164. Its totient is φ = 221000001162.

The previous prime is 221000001161. The next prime is 221000001191. The reversal of 221000001163 is 361100000122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221000001163 - 2¹ = 221000001161 is a prime.

Together with 221000001161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (221000001161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500000581 + 110500000582.

It is an arithmetic number, because the mean of its divisors is an integer number (110500000582).

Almost surely, 2^221000001163 is an apocalyptic number.

221000001163 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000001163 is an equidigital number, since it uses as much as digits as its factorization.

221000001163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 221000001163 its reverse (361100000122), we get a palindrome (582100001285).

The spelling of 221000001163 in words is "two hundred twenty-one billion, one thousand, one hundred sixty-three".