4100210221 has 12 divisors (see below), whose sum is σ = 4247718580. Its totient is φ = 3956734080.

The previous prime is 4100210159. The next prime is 4100210237. The reversal of 4100210221 is 1220120014.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2418025 + 4097792196 = 1555^2 + 64014^2 .

It is not a de Polignac number, because 4100210221 - 2²⁹ = 3563339309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100210281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159385 + ... + 183313.

Almost surely, 2^4100210221 is an apocalyptic number.

It is an amenable number.

4100210221 is a deficient number, since it is larger than the sum of its proper divisors (147508359).

4100210221 is an equidigital number, since it uses as much as digits as its factorization.

4100210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24096 (or 24043 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4100210221 is about 64032.8839035070. The cubic root of 4100210221 is about 1600.5480181355.

Adding to 4100210221 its reverse (1220120014), we get a palindrome (5320330235).

The spelling of 4100210221 in words is "four billion, one hundred million, two hundred ten thousand, two hundred twenty-one".