4021443223101 has 72 divisors (see below), whose sum is σ = 6380959796640. Its totient is φ = 2433546460800.

The previous prime is 4021443223093. The next prime is 4021443223157. The reversal of 4021443223101 is 1013223441204.

4021443223101 is a `hidden beast` number, since 4 + 0 + 21 + 4 + 4 + 322 + 310 + 1 = 666.

It is not a de Polignac number, because 4021443223101 - 2³ = 4021443223093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021443223001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18732511 + ... + 18945971.

It is an arithmetic number, because the mean of its divisors is an integer number (88624441620).

Almost surely, 2^{4021443223101} is an apocalyptic number.

It is an amenable number.

4021443223101 is a deficient number, since it is larger than the sum of its proper divisors (2359516573539).

4021443223101 is a wasteful number, since it uses less digits than its factorization.

4021443223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213675 (or 213643 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4021443223101 its reverse (1013223441204), we get a palindrome (5034666664305).

The spelling of 4021443223101 in words is "four trillion, twenty-one billion, four hundred forty-three million, two hundred twenty-three thousand, one hundred one".