321111111122 has 8 divisors (see below), whose sum is σ = 486632302716. Its totient is φ = 158900343552.

The previous prime is 321111111091. The next prime is 321111111131. The reversal of 321111111122 is 221111111123.

It can be written as a sum of positive squares in 2 ways, for example, as 293429139481 + 27681971641 = 541691^2 + 166379^2 .

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

It is a super-2 number, since 2×321111111122² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321111111122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827605763 + ... + 827606150.

Almost surely, 2^321111111122 is an apocalyptic number.

321111111122 is a deficient number, since it is larger than the sum of its proper divisors (165521191594).

321111111122 is a wasteful number, since it uses less digits than its factorization.

321111111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655212012.

The product of its digits is 24, while the sum is 17.

Adding to 321111111122 its reverse (221111111123), we get a palindrome (542222222245).

Subtracting from 321111111122 its reverse (221111111123), we obtain a palindrome (99999999999).

The spelling of 321111111122 in words is "three hundred twenty-one billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".