4021243421311 has 8 divisors (see below), whose sum is σ = 4043970564480. Its totient is φ = 3998578802328.

The previous prime is 4021243421207. The next prime is 4021243421323. The reversal of 4021243421311 is 1131243421204.

It is a happy number.

4021243421311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021243421311 - 2⁷ = 4021243421183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021243421311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021243421341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15502051 + ... + 15759316.

It is an arithmetic number, because the mean of its divisors is an integer number (505496320560).

Almost surely, 2^{4021243421311} is an apocalyptic number.

4021243421311 is a deficient number, since it is larger than the sum of its proper divisors (22727143169).

4021243421311 is a wasteful number, since it uses less digits than its factorization.

4021243421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31262093.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 4021243421311 its reverse (1131243421204), we get a palindrome (5152486842515).

The spelling of 4021243421311 in words is "four trillion, twenty-one billion, two hundred forty-three million, four hundred twenty-one thousand, three hundred eleven".