1112120212223 has 4 divisors (see below), whose sum is σ = 1112705232648. Its totient is φ = 1111535191800.

The previous prime is 1112120212213. The next prime is 1112120212237. The reversal of 1112120212223 is 3222120212111.

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-1112120212223 is a prime.

It is a super-2 number, since 2×1112120212223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112120212195 and 1112120212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112120212213) 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, 292507361 + ... + 292511162.

It is an arithmetic number, because the mean of its divisors is an integer number (278176308162).

Almost surely, 2^{1112120212223} is an apocalyptic number.

1112120212223 is a deficient number, since it is larger than the sum of its proper divisors (585020425).

1112120212223 is an equidigital number, since it uses as much as digits as its factorization.

1112120212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585020424.

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

Adding to 1112120212223 its reverse (3222120212111), we get a palindrome (4334240424334).

The spelling of 1112120212223 in words is "one trillion, one hundred twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-three".