242143031122 has 4 divisors (see below), whose sum is σ = 363214546686. Its totient is φ = 121071515560.

The previous prime is 242143031093. The next prime is 242143031131. The reversal of 242143031122 is 221130341242.

242143031122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221130341242 = 2 ⋅110565170621.

It can be written as a sum of positive squares in only one way, i.e., 169053367921 + 73089663201 = 411161^2 + 270351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60535757779 + ... + 60535757782.

Almost surely, 2^242143031122 is an apocalyptic number.

242143031122 is a deficient number, since it is larger than the sum of its proper divisors (121071515564).

242143031122 is a wasteful number, since it uses less digits than its factorization.

242143031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121071515563.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 242143031122 its reverse (221130341242), we get a palindrome (463273372364).

The spelling of 242143031122 in words is "two hundred forty-two billion, one hundred forty-three million, thirty-one thousand, one hundred twenty-two".