14126221331 has 4 divisors (see below), whose sum is σ = 14150287032. Its totient is φ = 14102155632.

The previous prime is 14126221297. The next prime is 14126221357. The reversal of 14126221331 is 13312262141.

It is a happy number.

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 14126221331 - 2¹⁰ = 14126220307 is a prime.

It is a super-2 number, since 2×14126221331² (a number of 21 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 14126221331.

It is not an unprimeable number, because it can be changed into a prime (14126224331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12031970 + ... + 12033143.

It is an arithmetic number, because the mean of its divisors is an integer number (3537571758).

Almost surely, 2^14126221331 is an apocalyptic number.

14126221331 is a deficient number, since it is larger than the sum of its proper divisors (24065701).

14126221331 is an equidigital number, since it uses as much as digits as its factorization.

14126221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24065700.

The product of its digits is 1728, while the sum is 26.

Adding to 14126221331 its reverse (13312262141), we get a palindrome (27438483472).

The spelling of 14126221331 in words is "fourteen billion, one hundred twenty-six million, two hundred twenty-one thousand, three hundred thirty-one".