144311241224221 has 4 divisors (see below), whose sum is σ = 144548986268032. Its totient is φ = 144073496180412.

The previous prime is 144311241224207. The next prime is 144311241224279. The reversal of 144311241224221 is 122422142113441.

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 144311241224221 - 2²³ = 144311232835613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144311241224021) 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, 118872520995 + ... + 118872522208.

It is an arithmetic number, because the mean of its divisors is an integer number (36137246567008).

Almost surely, 2^{144311241224221} is an apocalyptic number.

It is an amenable number.

144311241224221 is a deficient number, since it is larger than the sum of its proper divisors (237745043811).

144311241224221 is an equidigital number, since it uses as much as digits as its factorization.

144311241224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237745043810.

The product of its digits is 24576, while the sum is 34.

Adding to 144311241224221 its reverse (122422142113441), we get a palindrome (266733383337662).

The spelling of 144311241224221 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred forty-one million, two hundred twenty-four thousand, two hundred twenty-one".