4105941221 has 4 divisors (see below), whose sum is σ = 4145804832. Its totient is φ = 4066077612.

The previous prime is 4105941127. The next prime is 4105941233. The reversal of 4105941221 is 1221495014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4105941221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4105941271) 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 in 3 ways as a sum of consecutive naturals, for example, 19931651 + ... + 19931856.

It is an arithmetic number, because the mean of its divisors is an integer number (1036451208).

Almost surely, 2^4105941221 is an apocalyptic number.

It is an amenable number.

4105941221 is a deficient number, since it is larger than the sum of its proper divisors (39863611).

4105941221 is a wasteful number, since it uses less digits than its factorization.

4105941221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39863610.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 4105941221 is about 64077.6187213601. The cubic root of 4105941221 is about 1601.2933840096.

The spelling of 4105941221 in words is "four billion, one hundred five million, nine hundred forty-one thousand, two hundred twenty-one".