321111121232233 has 4 divisors (see below), whose sum is σ = 340000010716500. Its totient is φ = 302222231747968.

The previous prime is 321111121232207. The next prime is 321111121232257. The reversal of 321111121232233 is 332232121111123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 273202948437904 + 47908172794329 = 16528852^2 + 6921573^2 .

It is a cyclic number.

It is not a de Polignac number, because 321111121232233 - 2²⁵ = 321111087677801 is a prime.

It is a super-2 number, since 2×321111121232233² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321111121232273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9444444742108 + ... + 9444444742141.

It is an arithmetic number, because the mean of its divisors is an integer number (85000002679125).

Almost surely, 2^{321111121232233} is an apocalyptic number.

It is an amenable number.

321111121232233 is a deficient number, since it is larger than the sum of its proper divisors (18888889484267).

321111121232233 is a wasteful number, since it uses less digits than its factorization.

321111121232233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888889484266.

The product of its digits is 2592, while the sum is 28.

Adding to 321111121232233 its reverse (332232121111123), we get a palindrome (653343242343356).

The spelling of 321111121232233 in words is "three hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred thirty-three".