144122441422021 has 4 divisors (see below), whose sum is σ = 144161298918700. Its totient is φ = 144083583925344.

The previous prime is 144122441422007. The next prime is 144122441422033. The reversal of 144122441422021 is 120224144221441.

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 49733172230625 + 94389269191396 = 7052175^2 + 9715414^2 .

It is a cyclic number.

It is not a de Polignac number, because 144122441422021 - 2¹³ = 144122441413829 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 (144122441422051) 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, 19428742776 + ... + 19428750193.

It is an arithmetic number, because the mean of its divisors is an integer number (36040324729675).

Almost surely, 2^{144122441422021} is an apocalyptic number.

It is an amenable number.

144122441422021 is a deficient number, since it is larger than the sum of its proper divisors (38857496679).

144122441422021 is an equidigital number, since it uses as much as digits as its factorization.

144122441422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38857496678.

The product of its (nonzero) digits is 32768, while the sum is 34.

Adding to 144122441422021 its reverse (120224144221441), we get a palindrome (264346585643462).

The spelling of 144122441422021 in words is "one hundred forty-four trillion, one hundred twenty-two billion, four hundred forty-one million, four hundred twenty-two thousand, twenty-one".