4024112021 has 2 divisors, whose sum is σ = 4024112022. Its totient is φ = 4024112020.

The previous prime is 4024112009. The next prime is 4024112083. The reversal of 4024112021 is 1202114204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2080272100 + 1943839921 = 45610^2 + 44089^2 .

It is a cyclic number.

It is not a de Polignac number, because 4024112021 - 2¹⁰ = 4024110997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4024112621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012056010 + 2012056011.

It is an arithmetic number, because the mean of its divisors is an integer number (2012056011).

Almost surely, 2^4024112021 is an apocalyptic number.

It is an amenable number.

4024112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4024112021 is an equidigital number, since it uses as much as digits as its factorization.

4024112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4024112021 is about 63435.8890613192. The cubic root of 4024112021 is about 1590.5842849538.

Adding to 4024112021 its reverse (1202114204), we get a palindrome (5226226225).

The spelling of 4024112021 in words is "four billion, twenty-four million, one hundred twelve thousand, twenty-one".