4144122021 has 16 divisors (see below), whose sum is σ = 5953283840. Its totient is φ = 2549050560.

The previous prime is 4144122019. The next prime is 4144122043. The reversal of 4144122021 is 1202214414.

It is not a de Polignac number, because 4144122021 - 2¹ = 4144122019 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 (4144122071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65076 + ... + 111906.

It is an arithmetic number, because the mean of its divisors is an integer number (372080240).

Almost surely, 2^4144122021 is an apocalyptic number.

It is an amenable number.

4144122021 is a deficient number, since it is larger than the sum of its proper divisors (1809161819).

4144122021 is a wasteful number, since it uses less digits than its factorization.

4144122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49116.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4144122021 is about 64374.8555027505. The cubic root of 4144122021 is about 1606.2415087218.

Adding to 4144122021 its reverse (1202214414), we get a palindrome (5346336435).

The spelling of 4144122021 in words is "four billion, one hundred forty-four million, one hundred twenty-two thousand, twenty-one".