14441221121 has 4 divisors (see below), whose sum is σ = 14569019652. Its totient is φ = 14313422592.

The previous prime is 14441221063. The next prime is 14441221139. The reversal of 14441221121 is 12112214441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3824185600 + 10617035521 = 61840^2 + 103039^2 .

It is a cyclic number.

It is not a de Polignac number, because 14441221121 - 2¹⁰ = 14441220097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14441221621) 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, 63899096 + ... + 63899321.

It is an arithmetic number, because the mean of its divisors is an integer number (3642254913).

Almost surely, 2^14441221121 is an apocalyptic number.

It is an amenable number.

14441221121 is a deficient number, since it is larger than the sum of its proper divisors (127798531).

14441221121 is a wasteful number, since it uses less digits than its factorization.

14441221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127798530.

The product of its digits is 512, while the sum is 23.

Adding to 14441221121 its reverse (12112214441), we get a palindrome (26553435562).

The spelling of 14441221121 in words is "fourteen billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred twenty-one".