322120111123 has 4 divisors (see below), whose sum is σ = 322517300728. Its totient is φ = 321722921520.

The previous prime is 322120111097. The next prime is 322120111171. The reversal of 322120111123 is 321111021223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322120111123 is a prime.

It is a super-2 number, since 2×322120111123² (a number of 24 digits) contains 22 as substring.

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 322120111123.

It is not an unprimeable number, because it can be changed into a prime (322120111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198593586 + ... + 198595207.

It is an arithmetic number, because the mean of its divisors is an integer number (80629325182).

Almost surely, 2^322120111123 is an apocalyptic number.

322120111123 is a deficient number, since it is larger than the sum of its proper divisors (397189605).

322120111123 is an equidigital number, since it uses as much as digits as its factorization.

322120111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397189604.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 322120111123 its reverse (321111021223), we get a palindrome (643231132346).

The spelling of 322120111123 in words is "three hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-three".