4021144242041 has 2 divisors, whose sum is σ = 4021144242042. Its totient is φ = 4021144242040.

The previous prime is 4021144242023. The next prime is 4021144242127. The reversal of 4021144242041 is 1402424411204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3138906716416 + 882237525625 = 1771696^2 + 939275^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021144242041 - 2³⁰ = 4020070500217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021144241995 and 4021144242013.

It is not a weakly prime, because it can be changed into another prime (4021144242001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010572121020 + 2010572121021.

It is an arithmetic number, because the mean of its divisors is an integer number (2010572121021).

Almost surely, 2^{4021144242041} is an apocalyptic number.

It is an amenable number.

4021144242041 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021144242041 is an equidigital number, since it uses as much as digits as its factorization.

4021144242041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 4021144242041 its reverse (1402424411204), we get a palindrome (5423568653245).

The spelling of 4021144242041 in words is "four trillion, twenty-one billion, one hundred forty-four million, two hundred forty-two thousand, forty-one".