14401144433221 has 16 divisors (see below), whose sum is σ = 17730082427904. Its totient is φ = 11390714025984.

The previous prime is 14401144433219. The next prime is 14401144433233. The reversal of 14401144433221 is 12233444110441.

It is a cyclic number.

It is not a de Polignac number, because 14401144433221 - 2¹ = 14401144433219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14401144433321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24696700 + ... + 25273093.

It is an arithmetic number, because the mean of its divisors is an integer number (1108130151744).

Almost surely, 2^{14401144433221} is an apocalyptic number.

It is an amenable number.

14401144433221 is a deficient number, since it is larger than the sum of its proper divisors (3328937994683).

14401144433221 is a wasteful number, since it uses less digits than its factorization.

14401144433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49972980.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 14401144433221 its reverse (12233444110441), we get a palindrome (26634588543662).

The spelling of 14401144433221 in words is "fourteen trillion, four hundred one billion, one hundred forty-four million, four hundred thirty-three thousand, two hundred twenty-one".