124311122321 has 4 divisors (see below), whose sum is σ = 124342057200. Its totient is φ = 124280187444.

The previous prime is 124311122297. The next prime is 124311122333. The reversal of 124311122321 is 123221113421.

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.

It is a cyclic number.

It is not a de Polignac number, because 124311122321 - 2²² = 124306928017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124311122381) 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 3 ways as a sum of consecutive naturals, for example, 15461411 + ... + 15469448.

It is an arithmetic number, because the mean of its divisors is an integer number (31085514300).

Almost surely, 2^124311122321 is an apocalyptic number.

It is an amenable number.

124311122321 is a deficient number, since it is larger than the sum of its proper divisors (30934879).

124311122321 is an equidigital number, since it uses as much as digits as its factorization.

124311122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30934878.

The product of its digits is 576, while the sum is 23.

Adding to 124311122321 its reverse (123221113421), we get a palindrome (247532235742).

The spelling of 124311122321 in words is "one hundred twenty-four billion, three hundred eleven million, one hundred twenty-two thousand, three hundred twenty-one".