1112221210223 has 4 divisors (see below), whose sum is σ = 1112420502888. Its totient is φ = 1112021917560.

The previous prime is 1112221210211. The next prime is 1112221210327. The reversal of 1112221210223 is 3220121222111.

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 1112221210223 - 2³⁰ = 1111147468399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112221210195 and 1112221210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112221210423) 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, 99637961 + ... + 99649122.

It is an arithmetic number, because the mean of its divisors is an integer number (278105125722).

Almost surely, 2^{1112221210223} is an apocalyptic number.

1112221210223 is a deficient number, since it is larger than the sum of its proper divisors (199292665).

1112221210223 is an equidigital number, since it uses as much as digits as its factorization.

1112221210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199292664.

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

Adding to 1112221210223 its reverse (3220121222111), we get a palindrome (4332342432334).

The spelling of 1112221210223 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty-three".