242221005043 has 4 divisors (see below), whose sum is σ = 242739680040. Its totient is φ = 241702330048.

The previous prime is 242221005023. The next prime is 242221005067. The reversal of 242221005043 is 340500122242.

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

It is a cyclic number.

It is not a de Polignac number, because 242221005043 - 2¹⁷ = 242220873971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242221004999 and 242221005017.

It is not an unprimeable number, because it can be changed into a prime (242221005023) 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 in 3 ways as a sum of consecutive naturals, for example, 259336798 + ... + 259337731.

It is an arithmetic number, because the mean of its divisors is an integer number (60684920010).

Almost surely, 2^242221005043 is an apocalyptic number.

242221005043 is a deficient number, since it is larger than the sum of its proper divisors (518674997).

242221005043 is an equidigital number, since it uses as much as digits as its factorization.

242221005043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518674996.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 242221005043 its reverse (340500122242), we get a palindrome (582721127285).

The spelling of 242221005043 in words is "two hundred forty-two billion, two hundred twenty-one million, five thousand, forty-three".