4224030121 has 2 divisors, whose sum is σ = 4224030122. Its totient is φ = 4224030120.

The previous prime is 4224030091. The next prime is 4224030133. The reversal of 4224030121 is 1210304224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4090881600 + 133148521 = 63960^2 + 11539^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224030121 - 2⁵ = 4224030089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4224030221) 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 as a sum of consecutive naturals, namely, 2112015060 + 2112015061.

It is an arithmetic number, because the mean of its divisors is an integer number (2112015061).

Almost surely, 2^4224030121 is an apocalyptic number.

It is an amenable number.

4224030121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224030121 is an equidigital number, since it uses as much as digits as its factorization.

4224030121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4224030121 is about 64992.5389640996. The cubic root of 4224030121 is about 1616.4998506069.

Adding to 4224030121 its reverse (1210304224), we get a palindrome (5434334345).

It can be divided in two parts, 42240 and 30121, that added together give a square (72361 = 269²).

The spelling of 4224030121 in words is "four billion, two hundred twenty-four million, thirty thousand, one hundred twenty-one".