221000222203 has 2 divisors, whose sum is σ = 221000222204. Its totient is φ = 221000222202.

The previous prime is 221000222129. The next prime is 221000222221. The reversal of 221000222203 is 302222000122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221000222203 - 2⁹ = 221000221691 is a prime.

It is not a weakly prime, because it can be changed into another prime (221000222263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500111101 + 110500111102.

It is an arithmetic number, because the mean of its divisors is an integer number (110500111102).

Almost surely, 2^221000222203 is an apocalyptic number.

221000222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000222203 is an equidigital number, since it uses as much as digits as its factorization.

221000222203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 221000222203 its reverse (302222000122), we get a palindrome (523222222325).

The spelling of 221000222203 in words is "two hundred twenty-one billion, two hundred twenty-two thousand, two hundred three".