223321000133221 has 8 divisors (see below), whose sum is σ = 225292176567360. Its totient is φ = 221355031564128.

The previous prime is 223321000133159. The next prime is 223321000133239. The reversal of 223321000133221 is 122331000123322.

223321000133221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223321000133221 - 2⁷ = 223321000133093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223321000139221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301880121 + ... + 1302051646.

It is an arithmetic number, because the mean of its divisors is an integer number (28161522070920).

Almost surely, 2^{223321000133221} is an apocalyptic number.

It is an amenable number.

223321000133221 is a deficient number, since it is larger than the sum of its proper divisors (1971176434139).

223321000133221 is a wasteful number, since it uses less digits than its factorization.

223321000133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603932523.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 223321000133221 its reverse (122331000123322), we get a palindrome (345652000256543).

The spelling of 223321000133221 in words is "two hundred twenty-three trillion, three hundred twenty-one billion, one hundred thirty-three thousand, two hundred twenty-one".