243113221122 has 32 divisors (see below), whose sum is σ = 499067136000. Its totient is φ = 78914954448.

The previous prime is 243113221069. The next prime is 243113221157. The reversal of 243113221122 is 221122311342.

It is a junction number, because it is equal to n+sod(n) for n = 243113221092 and 243113221101.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2109972 + ... + 2222207.

It is an arithmetic number, because the mean of its divisors is an integer number (15595848000).

Almost surely, 2^243113221122 is an apocalyptic number.

243113221122 is an abundant number, since it is smaller than the sum of its proper divisors (255953914878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243113221122 is a wasteful number, since it uses less digits than its factorization.

243113221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332430.

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

Adding to 243113221122 its reverse (221122311342), we get a palindrome (464235532464).

The spelling of 243113221122 in words is "two hundred forty-three billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-two".