2112043422331 has 4 divisors (see below), whose sum is σ = 2131419967600. Its totient is φ = 2092666877064.

The previous prime is 2112043422317. The next prime is 2112043422347. The reversal of 2112043422331 is 1332243402112.

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-2112043422331 is a prime.

It is a super-2 number, since 2×2112043422331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112043422331.

It is not an unprimeable number, because it can be changed into a prime (2112043422301) 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, 9688272471 + ... + 9688272688.

It is an arithmetic number, because the mean of its divisors is an integer number (532854991900).

Almost surely, 2^{2112043422331} is an apocalyptic number.

2112043422331 is a deficient number, since it is larger than the sum of its proper divisors (19376545269).

2112043422331 is a wasteful number, since it uses less digits than its factorization.

2112043422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19376545268.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2112043422331 its reverse (1332243402112), we get a palindrome (3444286824443).

The spelling of 2112043422331 in words is "two trillion, one hundred twelve billion, forty-three million, four hundred twenty-two thousand, three hundred thirty-one".