221122233203 has 2 divisors, whose sum is σ = 221122233204. Its totient is φ = 221122233202.

The previous prime is 221122233193. The next prime is 221122233239. The reversal of 221122233203 is 302332221122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221122233203 is a prime.

It is not a weakly prime, because it can be changed into another prime (221122232203) 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, 110561116601 + 110561116602.

It is an arithmetic number, because the mean of its divisors is an integer number (110561116602).

Almost surely, 2^221122233203 is an apocalyptic number.

221122233203 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122233203 is an equidigital number, since it uses as much as digits as its factorization.

221122233203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221122233203 its reverse (302332221122), we get a palindrome (523454454325).

The spelling of 221122233203 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred three".