223321232220121 has 8 divisors (see below), whose sum is σ = 255317378975424. Its totient is φ = 191348363860080.

The previous prime is 223321232220113. The next prime is 223321232220127. The reversal of 223321232220121 is 121022232123322.

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

It is not a de Polignac number, because 223321232220121 - 2³ = 223321232220113 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 223321232220121.

It is not an unprimeable number, because it can be changed into a prime (223321232220127) 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, 5819578255 + ... + 5819616628.

It is an arithmetic number, because the mean of its divisors is an integer number (31914672371928).

Almost surely, 2^{223321232220121} is an apocalyptic number.

It is an amenable number.

223321232220121 is a deficient number, since it is larger than the sum of its proper divisors (31996146755303).

223321232220121 is a wasteful number, since it uses less digits than its factorization.

223321232220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639197631.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 223321232220121 its reverse (121022232123322), we get a palindrome (344343464343443).

The spelling of 223321232220121 in words is "two hundred twenty-three trillion, three hundred twenty-one billion, two hundred thirty-two million, two hundred twenty thousand, one hundred twenty-one".