2111103223 has 4 divisors (see below), whose sum is σ = 2111218128. Its totient is φ = 2110988320.

The previous prime is 2111103199. The next prime is 2111103289. The reversal of 2111103223 is 3223011112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2111103223 - 2²⁹ = 1574232311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111103197 and 2111103206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111103523) 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, 23011 + ... + 68932.

It is an arithmetic number, because the mean of its divisors is an integer number (527804532).

Almost surely, 2^2111103223 is an apocalyptic number.

2111103223 is a deficient number, since it is larger than the sum of its proper divisors (114905).

2111103223 is an equidigital number, since it uses as much as digits as its factorization.

2111103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114904.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2111103223 is about 45946.7433339948. The cubic root of 2111103223 is about 1282.8321126655.

Adding to 2111103223 its reverse (3223011112), we get a palindrome (5334114335).

The spelling of 2111103223 in words is "two billion, one hundred eleven million, one hundred three thousand, two hundred twenty-three".