4022120234243 has 4 divisors (see below), whose sum is σ = 4022586683808. Its totient is φ = 4021653784680.

The previous prime is 4022120234213. The next prime is 4022120234261. The reversal of 4022120234243 is 3424320212204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022120234243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4022120234213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233211848 + ... + 233229093.

It is an arithmetic number, because the mean of its divisors is an integer number (1005646670952).

Almost surely, 2^{4022120234243} is an apocalyptic number.

4022120234243 is a deficient number, since it is larger than the sum of its proper divisors (466449565).

4022120234243 is an equidigital number, since it uses as much as digits as its factorization.

4022120234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466449564.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4022120234243 its reverse (3424320212204), we get a palindrome (7446440446447).

The spelling of 4022120234243 in words is "four trillion, twenty-two billion, one hundred twenty million, two hundred thirty-four thousand, two hundred forty-three".