112121231230111 has 4 divisors (see below), whose sum is σ = 112121255977192. Its totient is φ = 112121206483032.

The previous prime is 112121231230093. The next prime is 112121231230193. The reversal of 112121231230111 is 111032132121211.

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 112121231230111 - 2⁵ = 112121231230079 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 (112121231210111) 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, 3415956 + ... + 15359401.

It is an arithmetic number, because the mean of its divisors is an integer number (28030313994298).

Almost surely, 2^{112121231230111} is an apocalyptic number.

112121231230111 is a deficient number, since it is larger than the sum of its proper divisors (24747081).

112121231230111 is an equidigital number, since it uses as much as digits as its factorization.

112121231230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24747080.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 112121231230111 its reverse (111032132121211), we get a palindrome (223153363351322).

The spelling of 112121231230111 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred thirty-one million, two hundred thirty thousand, one hundred eleven".