244443211121 has 2 divisors, whose sum is σ = 244443211122. Its totient is φ = 244443211120.

The previous prime is 244443211093. The next prime is 244443211217. The reversal of 244443211121 is 121112344442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202882680625 + 41560530496 = 450425^2 + 203864^2 .

It is a cyclic number.

It is not a de Polignac number, because 244443211121 - 2⁶ = 244443211057 is a prime.

It is not a weakly prime, because it can be changed into another prime (244443217121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122221605560 + 122221605561.

It is an arithmetic number, because the mean of its divisors is an integer number (122221605561).

Almost surely, 2^244443211121 is an apocalyptic number.

It is an amenable number.

244443211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

244443211121 is an equidigital number, since it uses as much as digits as its factorization.

244443211121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 29.

Adding to 244443211121 its reverse (121112344442), we get a palindrome (365555555563).

The spelling of 244443211121 in words is "two hundred forty-four billion, four hundred forty-three million, two hundred eleven thousand, one hundred twenty-one".