111230211223 has 4 divisors (see below), whose sum is σ = 111896260560. Its totient is φ = 110564161888.

The previous prime is 111230211133. The next prime is 111230211227. The reversal of 111230211223 is 322112032111.

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 111230211223 - 2¹³ = 111230203031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111230211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230211227) 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, 333024418 + ... + 333024751.

It is an arithmetic number, because the mean of its divisors is an integer number (27974065140).

Almost surely, 2^111230211223 is an apocalyptic number.

111230211223 is a deficient number, since it is larger than the sum of its proper divisors (666049337).

111230211223 is an equidigital number, since it uses as much as digits as its factorization.

111230211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666049336.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111230211223 its reverse (322112032111), we get a palindrome (433342243334).

The spelling of 111230211223 in words is "one hundred eleven billion, two hundred thirty million, two hundred eleven thousand, two hundred twenty-three".