4221115141 has 4 divisors (see below), whose sum is σ = 4335199372. Its totient is φ = 4107030912.

The previous prime is 4221115139. The next prime is 4221115163. The reversal of 4221115141 is 1415111224.

It is a happy number.

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 1759466916 + 2461648225 = 41946^2 + 49615^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221115141 - 2¹ = 4221115139 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 (4221115111) 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, 57042060 + ... + 57042133.

It is an arithmetic number, because the mean of its divisors is an integer number (1083799843).

Almost surely, 2^4221115141 is an apocalyptic number.

It is an amenable number.

4221115141 is a deficient number, since it is larger than the sum of its proper divisors (114084231).

4221115141 is a wasteful number, since it uses less digits than its factorization.

4221115141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114084230.

The product of its digits is 320, while the sum is 22.

The square root of 4221115141 is about 64970.1095966445. The cubic root of 4221115141 is about 1616.1279191466.

Adding to 4221115141 its reverse (1415111224), we get a palindrome (5636226365).

The spelling of 4221115141 in words is "four billion, two hundred twenty-one million, one hundred fifteen thousand, one hundred forty-one".