4120250221 has 4 divisors (see below), whose sum is σ = 4121357692. Its totient is φ = 4119142752.

The previous prime is 4120250213. The next prime is 4120250231. The reversal of 4120250221 is 1220520214.

4120250221 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 2270046025 + 1850204196 = 47645^2 + 43014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120250221 - 2³ = 4120250213 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 (4120250231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548136 + ... + 555601.

It is an arithmetic number, because the mean of its divisors is an integer number (1030339423).

Almost surely, 2^4120250221 is an apocalyptic number.

It is an amenable number.

4120250221 is a deficient number, since it is larger than the sum of its proper divisors (1107471).

4120250221 is a wasteful number, since it uses less digits than its factorization.

4120250221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107470.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4120250221 is about 64189.1752634352. The cubic root of 4120250221 is about 1603.1513698269.

Adding to 4120250221 its reverse (1220520214), we get a palindrome (5340770435).

The spelling of 4120250221 in words is "four billion, one hundred twenty million, two hundred fifty thousand, two hundred twenty-one".