321422111 has 8 divisors (see below), whose sum is σ = 340524720. Its totient is φ = 302341248.

The previous prime is 321422099. The next prime is 321422113. The reversal of 321422111 is 111224123.

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

It is a cyclic number.

It is not a de Polignac number, because 321422111 - 2⁶ = 321422047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 321422111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321422113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32705 + ... + 41381.

It is an arithmetic number, because the mean of its divisors is an integer number (42565590).

Almost surely, 2^321422111 is an apocalyptic number.

321422111 is a deficient number, since it is larger than the sum of its proper divisors (19102609).

321422111 is a wasteful number, since it uses less digits than its factorization.

321422111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873.

The product of its digits is 96, while the sum is 17.

The square root of 321422111 is about 17928.2489663659. The cubic root of 321422111 is about 685.0021212217.

Adding to 321422111 its reverse (111224123), we get a palindrome (432646234).

The spelling of 321422111 in words is "three hundred twenty-one million, four hundred twenty-two thousand, one hundred eleven".