223001333221321 has 4 divisors (see below), whose sum is σ = 223002793542672. Its totient is φ = 222999872899972.

The previous prime is 223001333221313. The next prime is 223001333221367. The reversal of 223001333221321 is 123122333100322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223001333221321 - 2³ = 223001333221313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223001333221321.

It is not an unprimeable number, because it can be changed into a prime (223001333221301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729931591 + ... + 730237036.

It is an arithmetic number, because the mean of its divisors is an integer number (55750698385668).

Almost surely, 2^{223001333221321} is an apocalyptic number.

It is an amenable number.

223001333221321 is a deficient number, since it is larger than the sum of its proper divisors (1460321351).

223001333221321 is a wasteful number, since it uses less digits than its factorization.

223001333221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460321350.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 223001333221321 its reverse (123122333100322), we get a palindrome (346123666321643).

The spelling of 223001333221321 in words is "two hundred twenty-three trillion, one billion, three hundred thirty-three million, two hundred twenty-one thousand, three hundred twenty-one".