2112043141 has 4 divisors (see below), whose sum is σ = 2274508012. Its totient is φ = 1949578272.

The previous prime is 2112043133. The next prime is 2112043189. The reversal of 2112043141 is 1413402112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 662032900 + 1450010241 = 25730^2 + 38079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112043141 - 2³ = 2112043133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112043121) 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 in 3 ways as a sum of consecutive naturals, for example, 81232416 + ... + 81232441.

It is an arithmetic number, because the mean of its divisors is an integer number (568627003).

Almost surely, 2^2112043141 is an apocalyptic number.

It is an amenable number.

2112043141 is a deficient number, since it is larger than the sum of its proper divisors (162464871).

2112043141 is a wasteful number, since it uses less digits than its factorization.

2112043141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162464870.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2112043141 is about 45956.9705376671. The cubic root of 2112043141 is about 1283.0224678125.

Adding to 2112043141 its reverse (1413402112), we get a palindrome (3525445253).

It can be divided in two parts, 21120 and 43141, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 2112043141 in words is "two billion, one hundred twelve million, forty-three thousand, one hundred forty-one".