2112110412231 has 4 divisors (see below), whose sum is σ = 2816147216312. Its totient is φ = 1408073608152.

The previous prime is 2112110412227. The next prime is 2112110412257. The reversal of 2112110412231 is 1322140112112.

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

It is not a de Polignac number, because 2112110412231 - 2² = 2112110412227 is a prime.

It is a super-2 number, since 2×2112110412231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112110412198 and 2112110412207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112110412221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352018402036 + ... + 352018402041.

It is an arithmetic number, because the mean of its divisors is an integer number (704036804078).

Almost surely, 2^{2112110412231} is an apocalyptic number.

2112110412231 is a deficient number, since it is larger than the sum of its proper divisors (704036804081).

2112110412231 is an equidigital number, since it uses as much as digits as its factorization.

2112110412231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704036804080.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 2112110412231 its reverse (1322140112112), we get a palindrome (3434250524343).

The spelling of 2112110412231 in words is "two trillion, one hundred twelve billion, one hundred ten million, four hundred twelve thousand, two hundred thirty-one".