144433421110221 has 4 divisors (see below), whose sum is σ = 192577894813632. Its totient is φ = 96288947406812.

The previous prime is 144433421110193. The next prime is 144433421110259. The reversal of 144433421110221 is 122011124334441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144433421110221 - 2⁶ = 144433421110157 is a prime.

It is a super-2 number, since 2×144433421110221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144433421110721) 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, 24072236851701 + ... + 24072236851706.

It is an arithmetic number, because the mean of its divisors is an integer number (48144473703408).

Almost surely, 2^{144433421110221} is an apocalyptic number.

It is an amenable number.

144433421110221 is a deficient number, since it is larger than the sum of its proper divisors (48144473703411).

144433421110221 is an equidigital number, since it uses as much as digits as its factorization.

144433421110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48144473703410.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 144433421110221 its reverse (122011124334441), we get a palindrome (266444545444662).

The spelling of 144433421110221 in words is "one hundred forty-four trillion, four hundred thirty-three billion, four hundred twenty-one million, one hundred ten thousand, two hundred twenty-one".