1112232111223 has 4 divisors (see below), whose sum is σ = 1112392174600. Its totient is φ = 1112072047848.

The previous prime is 1112232111167. The next prime is 1112232111233. The reversal of 1112232111223 is 3221112322111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112232111223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112232111194 and 1112232111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112232111233) 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, 80021265 + ... + 80035162.

It is an arithmetic number, because the mean of its divisors is an integer number (278098043650).

Almost surely, 2^{1112232111223} is an apocalyptic number.

1112232111223 is a deficient number, since it is larger than the sum of its proper divisors (160063377).

1112232111223 is an equidigital number, since it uses as much as digits as its factorization.

1112232111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160063376.

The product of its digits is 288, while the sum is 22.

Adding to 1112232111223 its reverse (3221112322111), we get a palindrome (4333344433334).

The spelling of 1112232111223 in words is "one trillion, one hundred twelve billion, two hundred thirty-two million, one hundred eleven thousand, two hundred twenty-three".