113112211223 has 12 divisors (see below), whose sum is σ = 124872907320. Its totient is φ = 102380221680.

The previous prime is 113112211159. The next prime is 113112211231. The reversal of 113112211223 is 322112211311.

It is not a de Polignac number, because 113112211223 - 2⁶ = 113112211159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113112211195 and 113112211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112211273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2013365 + ... + 2068782.

It is an arithmetic number, because the mean of its divisors is an integer number (10406075610).

Almost surely, 2^113112211223 is an apocalyptic number.

113112211223 is a deficient number, since it is larger than the sum of its proper divisors (11760696097).

113112211223 is a wasteful number, since it uses less digits than its factorization.

113112211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082398 (or 4082387 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 113112211223 its reverse (322112211311), we get a palindrome (435224422534).

The spelling of 113112211223 in words is "one hundred thirteen billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-three".