221324133232 has 10 divisors (see below), whose sum is σ = 428815508168. Its totient is φ = 110662066608.

The previous prime is 221324133211. The next prime is 221324133259. The reversal of 221324133232 is 232331423122.

221324133232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221324133232.

It is a congruent number.

It is an unprimeable number.

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, 6916379148 + ... + 6916379179.

Almost surely, 2^221324133232 is an apocalyptic number.

It is an amenable number.

221324133232 is a deficient number, since it is larger than the sum of its proper divisors (207491374936).

221324133232 is a wasteful number, since it uses less digits than its factorization.

221324133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13832758335 (or 13832758329 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 221324133232 its reverse (232331423122), we get a palindrome (453655556354).

The spelling of 221324133232 in words is "two hundred twenty-one billion, three hundred twenty-four million, one hundred thirty-three thousand, two hundred thirty-two".