2112004442 has 4 divisors (see below), whose sum is σ = 3168006666. Its totient is φ = 1056002220.

The previous prime is 2112004399. The next prime is 2112004457. The reversal of 2112004442 is 2444002112.

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., 1241223361 + 870781081 = 35231^2 + 29509^2 .

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 as a sum of consecutive naturals, namely, 528001109 + ... + 528001112.

Almost surely, 2^2112004442 is an apocalyptic number.

2112004442 is a deficient number, since it is larger than the sum of its proper divisors (1056002224).

2112004442 is a wasteful number, since it uses less digits than its factorization.

2112004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056002223.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2112004442 is about 45956.5495005881. The cubic root of 2112004442 is about 1283.0146314843.

Adding to 2112004442 its reverse (2444002112), we get a palindrome (4556006554).

The spelling of 2112004442 in words is "two billion, one hundred twelve million, four thousand, four hundred forty-two".