2112143344 has 20 divisors (see below), whose sum is σ = 4096628424. Its totient is φ = 1054948928.

The previous prime is 2112143329. The next prime is 2112143351. The reversal of 2112143344 is 4433412112.

It is a super-2 number, since 2×2112143344² = 8922299011207004672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54547 + ... + 84850.

Almost surely, 2^2112143344 is an apocalyptic number.

It is an amenable number.

2112143344 is a deficient number, since it is larger than the sum of its proper divisors (1984485080).

2112143344 is a wasteful number, since it uses less digits than its factorization.

2112143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140352 (or 140346 counting only the distinct ones).

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

The square root of 2112143344 is about 45958.0607075625. The cubic root of 2112143344 is about 1283.0427579074.

Adding to 2112143344 its reverse (4433412112), we get a palindrome (6545555456).

The spelling of 2112143344 in words is "two billion, one hundred twelve million, one hundred forty-three thousand, three hundred forty-four".