342221101120243 has 2 divisors, whose sum is σ = 342221101120244. Its totient is φ = 342221101120242.

The previous prime is 342221101120229. The next prime is 342221101120321. The reversal of 342221101120243 is 342021101122243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342221101120243 is a prime.

It is a super-3 number, since 3×342221101120243³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (342221101120643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171110550560121 + 171110550560122.

It is an arithmetic number, because the mean of its divisors is an integer number (171110550560122).

Almost surely, 2^{342221101120243} is an apocalyptic number.

342221101120243 is a deficient number, since it is larger than the sum of its proper divisors (1).

342221101120243 is an equidigital number, since it uses as much as digits as its factorization.

342221101120243 is an odious number, because the sum of its binary digits is odd.

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

Adding to 342221101120243 its reverse (342021101122243), we get a palindrome (684242202242486).

The spelling of 342221101120243 in words is "three hundred forty-two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty thousand, two hundred forty-three".