243122341011 has 32 divisors (see below), whose sum is σ = 354598207488. Its totient is φ = 146945031840.

The previous prime is 243122341001. The next prime is 243122341109. The reversal of 243122341011 is 110143221342.

It is not a de Polignac number, because 243122341011 - 2⁷ = 243122340883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243122341001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20585470 + ... + 20597276.

It is an arithmetic number, because the mean of its divisors is an integer number (11081193984).

Almost surely, 2^243122341011 is an apocalyptic number.

243122341011 is a deficient number, since it is larger than the sum of its proper divisors (111475866477).

243122341011 is a wasteful number, since it uses less digits than its factorization.

243122341011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 243122341011 its reverse (110143221342), we get a palindrome (353265562353).

The spelling of 243122341011 in words is "two hundred forty-three billion, one hundred twenty-two million, three hundred forty-one thousand, eleven".