4021442231213 has 16 divisors (see below), whose sum is σ = 4452932184576. Its totient is φ = 3600946776240.

The previous prime is 4021442231207. The next prime is 4021442231249. The reversal of 4021442231213 is 3121322441204.

4021442231213 is digitally balanced in base 2, 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-4021442231213 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 (4021442236213) 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, 7602770 + ... + 8114492.

It is an arithmetic number, because the mean of its divisors is an integer number (278308261536).

Almost surely, 2^{4021442231213} is an apocalyptic number.

It is an amenable number.

4021442231213 is a deficient number, since it is larger than the sum of its proper divisors (431489953363).

4021442231213 is a wasteful number, since it uses less digits than its factorization.

4021442231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522464.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4021442231213 its reverse (3121322441204), we get a palindrome (7142764672417).

The spelling of 4021442231213 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred thirty-one thousand, two hundred thirteen".