321223122113 has 4 divisors (see below), whose sum is σ = 322663584768. Its totient is φ = 319782659460.

The previous prime is 321223122089. The next prime is 321223122133. The reversal of 321223122113 is 311221322123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311221322123 = 24847 ⋅12525509.

It is a cyclic number.

It is not a de Polignac number, because 321223122113 - 2¹⁴ = 321223105729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321223122133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720230993 + ... + 720231438.

It is an arithmetic number, because the mean of its divisors is an integer number (80665896192).

Almost surely, 2^321223122113 is an apocalyptic number.

It is an amenable number.

321223122113 is a deficient number, since it is larger than the sum of its proper divisors (1440462655).

321223122113 is a wasteful number, since it uses less digits than its factorization.

321223122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440462654.

The product of its digits is 864, while the sum is 23.

Adding to 321223122113 its reverse (311221322123), we get a palindrome (632444444236).

The spelling of 321223122113 in words is "three hundred twenty-one billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred thirteen".