4221242311343 has 2 divisors, whose sum is σ = 4221242311344. Its totient is φ = 4221242311342.

The previous prime is 4221242311243. The next prime is 4221242311441. The reversal of 4221242311343 is 3431132421224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221242311343 - 2⁸ = 4221242311087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221242311243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110621155671 + 2110621155672.

It is an arithmetic number, because the mean of its divisors is an integer number (2110621155672).

Almost surely, 2^{4221242311343} is an apocalyptic number.

4221242311343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221242311343 is an equidigital number, since it uses as much as digits as its factorization.

4221242311343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 32.

Adding to 4221242311343 its reverse (3431132421224), we get a palindrome (7652374732567).

The spelling of 4221242311343 in words is "four trillion, two hundred twenty-one billion, two hundred forty-two million, three hundred eleven thousand, three hundred forty-three".