41020254221 has 2 divisors, whose sum is σ = 41020254222. Its totient is φ = 41020254220.

The previous prime is 41020254211. The next prime is 41020254251. The reversal of 41020254221 is 12245202014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34341278596 + 6678975625 = 185314^2 + 81725^2 .

It is a cyclic number.

It is not a de Polignac number, because 41020254221 - 2¹⁴ = 41020237837 is a prime.

It is a super-2 number, since 2×41020254221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41020254211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20510127110 + 20510127111.

It is an arithmetic number, because the mean of its divisors is an integer number (20510127111).

Almost surely, 2^41020254221 is an apocalyptic number.

It is an amenable number.

41020254221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41020254221 is an equidigital number, since it uses as much as digits as its factorization.

41020254221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 41020254221 its reverse (12245202014), we get a palindrome (53265456235).

The spelling of 41020254221 in words is "forty-one billion, twenty million, two hundred fifty-four thousand, two hundred twenty-one".