244313141221 has 2 divisors, whose sum is σ = 244313141222. Its totient is φ = 244313141220.

The previous prime is 244313141209. The next prime is 244313141231. The reversal of 244313141221 is 122141313442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162582336225 + 81730804996 = 403215^2 + 285886^2 .

It is a cyclic number.

It is not a de Polignac number, because 244313141221 - 2²⁷ = 244178923493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244313141221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244313141231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122156570610 + 122156570611.

It is an arithmetic number, because the mean of its divisors is an integer number (122156570611).

Almost surely, 2^244313141221 is an apocalyptic number.

It is an amenable number.

244313141221 is a deficient number, since it is larger than the sum of its proper divisors (1).

244313141221 is an equidigital number, since it uses as much as digits as its factorization.

244313141221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

Adding to 244313141221 its reverse (122141313442), we get a palindrome (366454454663).

The spelling of 244313141221 in words is "two hundred forty-four billion, three hundred thirteen million, one hundred forty-one thousand, two hundred twenty-one".