2112254443 has 24 divisors (see below), whose sum is σ = 2324246400. Its totient is φ = 1918485504.

The previous prime is 2112254423. The next prime is 2112254447. The reversal of 2112254443 is 3444522112.

It is a de Polignac number, because none of the positive numbers 2^k-2112254443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112254447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4409478 + ... + 4409956.

It is an arithmetic number, because the mean of its divisors is an integer number (96843600).

Almost surely, 2^2112254443 is an apocalyptic number.

2112254443 is a deficient number, since it is larger than the sum of its proper divisors (211991957).

2112254443 is a wasteful number, since it uses less digits than its factorization.

2112254443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 858 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 2112254443 is about 45959.2693914949. The cubic root of 2112254443 is about 1283.0652535820.

Adding to 2112254443 its reverse (3444522112), we get a palindrome (5556776555).

The spelling of 2112254443 in words is "two billion, one hundred twelve million, two hundred fifty-four thousand, four hundred forty-three".