11112120223 has 4 divisors (see below), whose sum is σ = 11139831648. Its totient is φ = 11084408800.

The previous prime is 11112120209. The next prime is 11112120233. The reversal of 11112120223 is 32202121111.

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 11112120223 - 2¹⁷ = 11111989151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112120197 and 11112120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112120233) 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, 13855111 + ... + 13855912.

It is an arithmetic number, because the mean of its divisors is an integer number (2784957912).

Almost surely, 2^11112120223 is an apocalyptic number.

11112120223 is a deficient number, since it is larger than the sum of its proper divisors (27711425).

11112120223 is an equidigital number, since it uses as much as digits as its factorization.

11112120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27711424.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112120223 its reverse (32202121111), we get a palindrome (43314241334).

The spelling of 11112120223 in words is "eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-three".