2112042013043 has 4 divisors (see below), whose sum is σ = 2112183405720. Its totient is φ = 2111900620368.

The previous prime is 2112042013033. The next prime is 2112042013061. The reversal of 2112042013043 is 3403102402112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112042013043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112042013033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70673930 + ... + 70703807.

It is an arithmetic number, because the mean of its divisors is an integer number (528045851430).

Almost surely, 2^{2112042013043} is an apocalyptic number.

2112042013043 is a deficient number, since it is larger than the sum of its proper divisors (141392677).

2112042013043 is a wasteful number, since it uses less digits than its factorization.

2112042013043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141392676.

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

Adding to 2112042013043 its reverse (3403102402112), we get a palindrome (5515144415155).

The spelling of 2112042013043 in words is "two trillion, one hundred twelve billion, forty-two million, thirteen thousand, forty-three".