321132221103 has 16 divisors (see below), whose sum is σ = 449104988160. Its totient is φ = 203870020896.

The previous prime is 321132221099. The next prime is 321132221239. The reversal of 321132221103 is 301122231123.

It is not a de Polignac number, because 321132221103 - 2² = 321132221099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321132221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321132221903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30772263 + ... + 30782696.

It is an arithmetic number, because the mean of its divisors is an integer number (28069061760).

Almost surely, 2^321132221103 is an apocalyptic number.

321132221103 is a deficient number, since it is larger than the sum of its proper divisors (127972767057).

321132221103 is a wasteful number, since it uses less digits than its factorization.

321132221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61555046.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321132221103 its reverse (301122231123), we get a palindrome (622254452226).

The spelling of 321132221103 in words is "three hundred twenty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred three".