14221012134431 has 4 divisors (see below), whose sum is σ = 14222731941000. Its totient is φ = 14219292327864.

The previous prime is 14221012134409. The next prime is 14221012134443. The reversal of 14221012134431 is 13443121012241.

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

It is a cyclic number.

It is not a de Polignac number, because 14221012134431 - 2¹⁰ = 14221012133407 is a prime.

It is a super-2 number, since 2×14221012134431² (a number of 27 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 = 14221012134394 and 14221012134403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221012134031) 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, 859890881 + ... + 859907418.

It is an arithmetic number, because the mean of its divisors is an integer number (3555682985250).

Almost surely, 2^{14221012134431} is an apocalyptic number.

14221012134431 is a deficient number, since it is larger than the sum of its proper divisors (1719806569).

14221012134431 is an equidigital number, since it uses as much as digits as its factorization.

14221012134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719806568.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 14221012134431 its reverse (13443121012241), we get a palindrome (27664133146672).

The spelling of 14221012134431 in words is "fourteen trillion, two hundred twenty-one billion, twelve million, one hundred thirty-four thousand, four hundred thirty-one".