112122121223 has 4 divisors (see below), whose sum is σ = 128139567120. Its totient is φ = 96104675328.

The previous prime is 112122121183. The next prime is 112122121261. The reversal of 112122121223 is 322121221211.

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 112122121223 - 2³⁰ = 111048379399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112122121195 and 112122121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122120223) 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, 8008722938 + ... + 8008722951.

It is an arithmetic number, because the mean of its divisors is an integer number (32034891780).

Almost surely, 2^112122121223 is an apocalyptic number.

112122121223 is a deficient number, since it is larger than the sum of its proper divisors (16017445897).

112122121223 is an equidigital number, since it uses as much as digits as its factorization.

112122121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16017445896.

The product of its digits is 192, while the sum is 20.

Adding to 112122121223 its reverse (322121221211), we get a palindrome (434243342434).

The spelling of 112122121223 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-three".