4102076221 has 4 divisors (see below), whose sum is σ = 4114248892. Its totient is φ = 4089903552.

The previous prime is 4102076207. The next prime is 4102076291. The reversal of 4102076221 is 1226702014.

4102076221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 950488900 + 3151587321 = 30830^2 + 56139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102076221 - 2⁹ = 4102075709 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 (4102076291) 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 3 ways as a sum of consecutive naturals, for example, 6085830 + ... + 6086503.

It is an arithmetic number, because the mean of its divisors is an integer number (1028562223).

Almost surely, 2^4102076221 is an apocalyptic number.

It is an amenable number.

4102076221 is a deficient number, since it is larger than the sum of its proper divisors (12172671).

4102076221 is a wasteful number, since it uses less digits than its factorization.

4102076221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172670.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4102076221 is about 64047.4528845605. The cubic root of 4102076221 is about 1600.7907837082.

Adding to 4102076221 its reverse (1226702014), we get a palindrome (5328778235).

The spelling of 4102076221 in words is "four billion, one hundred two million, seventy-six thousand, two hundred twenty-one".