2312112110111 has 4 divisors (see below), whose sum is σ = 2312126841792. Its totient is φ = 2312097378432.

The previous prime is 2312112110081. The next prime is 2312112110117. The reversal of 2312112110111 is 1110112112132.

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

It is a cyclic number.

It is not a de Polignac number, because 2312112110111 - 2²² = 2312107915807 is a prime.

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 2312112110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312112110117) 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, 7127855 + ... + 7445168.

It is an arithmetic number, because the mean of its divisors is an integer number (578031710448).

Almost surely, 2^{2312112110111} is an apocalyptic number.

2312112110111 is a deficient number, since it is larger than the sum of its proper divisors (14731681).

2312112110111 is a wasteful number, since it uses less digits than its factorization.

2312112110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14731680.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 2312112110111 its reverse (1110112112132), we get a palindrome (3422224222243).

The spelling of 2312112110111 in words is "two trillion, three hundred twelve billion, one hundred twelve million, one hundred ten thousand, one hundred eleven".