321104201022 has 128 divisors (see below), whose sum is σ = 783960768000. Its totient is φ = 96615210240.

The previous prime is 321104200999. The next prime is 321104201027. The reversal of 321104201022 is 220102401123.

It is a happy number.

321104201022 is a `hidden beast` number, since 3 + 211 + 0 + 420 + 10 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 321104200986 and 321104201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321104201027) 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 63 ways as a sum of consecutive naturals, for example, 86015868 + ... + 86019600.

It is an arithmetic number, because the mean of its divisors is an integer number (6124693500).

Almost surely, 2^321104201022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321104201022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391980384000).

321104201022 is an abundant number, since it is smaller than the sum of its proper divisors (462856566978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321104201022 is a wasteful number, since it uses less digits than its factorization.

321104201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743 (or 4737 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 321104201022 its reverse (220102401123), we get a palindrome (541206602145).

The spelling of 321104201022 in words is "three hundred twenty-one billion, one hundred four million, two hundred one thousand, twenty-two".