122321111123 has 12 divisors (see below), whose sum is σ = 130548476520. Its totient is φ = 114581069856.

The previous prime is 122321111093. The next prime is 122321111153. The reversal of 122321111123 is 321111123221.

It is an interprime number because it is at equal distance from previous prime (122321111093) and next prime (122321111153).

It is not a de Polignac number, because 122321111123 - 2¹⁴ = 122321094739 is a prime.

It is a super-2 number, since 2×122321111123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122321111095 and 122321111104.

It is not an unprimeable number, because it can be changed into a prime (122321111153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1871465 + ... + 1935722.

It is an arithmetic number, because the mean of its divisors is an integer number (10879039710).

Almost surely, 2^122321111123 is an apocalyptic number.

122321111123 is a deficient number, since it is larger than the sum of its proper divisors (8227365397).

122321111123 is an equidigital number, since it uses as much as digits as its factorization.

122321111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807314 (or 3807295 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 122321111123 its reverse (321111123221), we get a palindrome (443432234344).

The spelling of 122321111123 in words is "one hundred twenty-two billion, three hundred twenty-one million, one hundred eleven thousand, one hundred twenty-three".