14112121321 has 4 divisors (see below), whose sum is σ = 14456319444. Its totient is φ = 13767923200.

The previous prime is 14112121319. The next prime is 14112121337. The reversal of 14112121321 is 12312121141.

14112121321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12312121141 = 31121 ⋅395621.

It can be written as a sum of positive squares in 2 ways, for example, as 3646831321 + 10465290000 = 60389^2 + 102300^2 .

It is a cyclic number.

It is not a de Polignac number, because 14112121321 - 2¹ = 14112121319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14112121381) 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, 172099000 + ... + 172099081.

It is an arithmetic number, because the mean of its divisors is an integer number (3614079861).

Almost surely, 2^14112121321 is an apocalyptic number.

It is an amenable number.

14112121321 is a deficient number, since it is larger than the sum of its proper divisors (344198123).

14112121321 is an equidigital number, since it uses as much as digits as its factorization.

14112121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344198122.

The product of its digits is 96, while the sum is 19.

Adding to 14112121321 its reverse (12312121141), we get a palindrome (26424242462).

The spelling of 14112121321 in words is "fourteen billion, one hundred twelve million, one hundred twenty-one thousand, three hundred twenty-one".