321210110223 has 16 divisors (see below), whose sum is σ = 479018272000. Its totient is φ = 212721924600.

The previous prime is 321210110191. The next prime is 321210110257. The reversal of 321210110223 is 322011012123.

321210110223 is a `hidden beast` number, since 321 + 2 + 10 + 110 + 223 = 666.

It is not a de Polignac number, because 321210110223 - 2⁵ = 321210110191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321210110196 and 321210110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321210100223) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 39388873 + ... + 39397026.

It is an arithmetic number, because the mean of its divisors is an integer number (29938642000).

Almost surely, 2^321210110223 is an apocalyptic number.

321210110223 is a deficient number, since it is larger than the sum of its proper divisors (157808161777).

321210110223 is a wasteful number, since it uses less digits than its factorization.

321210110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78786059 (or 78786053 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 321210110223 its reverse (322011012123), we get a palindrome (643221122346).

The spelling of 321210110223 in words is "three hundred twenty-one billion, two hundred ten million, one hundred ten thousand, two hundred twenty-three".