4010000221 has 2 divisors, whose sum is σ = 4010000222. Its totient is φ = 4010000220.

The previous prime is 4010000213. The next prime is 4010000227. The reversal of 4010000221 is 1220000104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3162375225 + 847624996 = 56235^2 + 29114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4010000221 - 2³ = 4010000213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4010000198 and 4010000207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4010000227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005000110 + 2005000111.

It is an arithmetic number, because the mean of its divisors is an integer number (2005000111).

Almost surely, 2^4010000221 is an apocalyptic number.

It is an amenable number.

4010000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4010000221 is an equidigital number, since it uses as much as digits as its factorization.

4010000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4010000221 is about 63324.5625409288. The cubic root of 4010000221 is about 1588.7228145309.

Adding to 4010000221 its reverse (1220000104), we get a palindrome (5230000325).

The spelling of 4010000221 in words is "four billion, ten million, two hundred twenty-one", and thus it is an aban number.