4022112021 has 16 divisors (see below), whose sum is σ = 5382251520. Its totient is φ = 2671709040.

The previous prime is 4022112011. The next prime is 4022112037. The reversal of 4022112021 is 1202112204.

4022112021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4022112021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022112011) 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, 1191466 + ... + 1194836.

It is an arithmetic number, because the mean of its divisors is an integer number (336390720).

Almost surely, 2^4022112021 is an apocalyptic number.

It is an amenable number.

4022112021 is a deficient number, since it is larger than the sum of its proper divisors (1360139499).

4022112021 is a wasteful number, since it uses less digits than its factorization.

4022112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4022112021 is about 63420.1231550365. The cubic root of 4022112021 is about 1590.3207323393.

Adding to 4022112021 its reverse (1202112204), we get a palindrome (5224224225).

The spelling of 4022112021 in words is "four billion, twenty-two million, one hundred twelve thousand, twenty-one".