2112321030242 has 4 divisors (see below), whose sum is σ = 3168481545366. Its totient is φ = 1056160515120.

The previous prime is 2112321030241. The next prime is 2112321030283. The reversal of 2112321030242 is 2420301232112.

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

It can be written as a sum of positive squares in only one way, i.e., 2054409089041 + 57911941201 = 1433321^2 + 240649^2 .

It is not an unprimeable number, because it can be changed into a prime (2112321030241) 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 as a sum of consecutive naturals, namely, 528080257559 + ... + 528080257562.

Almost surely, 2^{2112321030242} is an apocalyptic number.

2112321030242 is a deficient number, since it is larger than the sum of its proper divisors (1056160515124).

2112321030242 is a wasteful number, since it uses less digits than its factorization.

2112321030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056160515123.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2112321030242 its reverse (2420301232112), we get a palindrome (4532622262354).

The spelling of 2112321030242 in words is "two trillion, one hundred twelve billion, three hundred twenty-one million, thirty thousand, two hundred forty-two".