223321101221 has 8 divisors (see below), whose sum is σ = 231153153024. Its totient is φ = 215528308560.

The previous prime is 223321101209. The next prime is 223321101229. The reversal of 223321101221 is 122101123322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223321101221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223321101193 and 223321101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223321101229) 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, 9803210 + ... + 9825963.

It is an arithmetic number, because the mean of its divisors is an integer number (28894144128).

Almost surely, 2^223321101221 is an apocalyptic number.

It is an amenable number.

223321101221 is a deficient number, since it is larger than the sum of its proper divisors (7832051803).

223321101221 is a wasteful number, since it uses less digits than its factorization.

223321101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19629571.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223321101221 its reverse (122101123322), we get a palindrome (345422224543).

The spelling of 223321101221 in words is "two hundred twenty-three billion, three hundred twenty-one million, one hundred one thousand, two hundred twenty-one".