4143102221 has 2 divisors, whose sum is σ = 4143102222. Its totient is φ = 4143102220.

The previous prime is 4143102157. The next prime is 4143102239. The reversal of 4143102221 is 1222013414.

4143102221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4000562500 + 142539721 = 63250^2 + 11939^2 .

It is a cyclic number.

It is not a de Polignac number, because 4143102221 - 2⁶ = 4143102157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4143102193 and 4143102202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4143102251) 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, 2071551110 + 2071551111.

It is an arithmetic number, because the mean of its divisors is an integer number (2071551111).

Almost surely, 2^4143102221 is an apocalyptic number.

It is an amenable number.

4143102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4143102221 is an equidigital number, since it uses as much as digits as its factorization.

4143102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4143102221 is about 64366.9342209181. The cubic root of 4143102221 is about 1606.1097414085.

Adding to 4143102221 its reverse (1222013414), we get a palindrome (5365115635).

The spelling of 4143102221 in words is "four billion, one hundred forty-three million, one hundred two thousand, two hundred twenty-one".