321222032103 has 8 divisors (see below), whose sum is σ = 489481191808. Its totient is φ = 183555446904.

The previous prime is 321222031967. The next prime is 321222032137. The reversal of 321222032103 is 301230222123.

It is a happy number.

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

It is not a de Polignac number, because 321222032103 - 2¹⁸ = 321221769959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 15296287243 = 321222032103 / (3 + 2 + 1 + 2 + 2 + 2 + 0 + 3 + 2 + 1 + 0 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 321222032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321222031103) 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, 7648143601 + ... + 7648143642.

It is an arithmetic number, because the mean of its divisors is an integer number (61185148976).

Almost surely, 2^321222032103 is an apocalyptic number.

321222032103 is a deficient number, since it is larger than the sum of its proper divisors (168259159705).

321222032103 is a wasteful number, since it uses less digits than its factorization.

321222032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296287253.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 321222032103 its reverse (301230222123), we get a palindrome (622452254226).

The spelling of 321222032103 in words is "three hundred twenty-one billion, two hundred twenty-two million, thirty-two thousand, one hundred three".