2111320223 has 4 divisors (see below), whose sum is σ = 2222442360. Its totient is φ = 2000198088.

The previous prime is 2111320217. The next prime is 2111320247. The reversal of 2111320223 is 3220231112.

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 2111320223 - 2¹⁶ = 2111254687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111320273) 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, 55561040 + ... + 55561077.

It is an arithmetic number, because the mean of its divisors is an integer number (555610590).

Almost surely, 2^2111320223 is an apocalyptic number.

2111320223 is a deficient number, since it is larger than the sum of its proper divisors (111122137).

2111320223 is a wasteful number, since it uses less digits than its factorization.

2111320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111122136.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2111320223 is about 45949.1047029210. The cubic root of 2111320223 is about 1282.8760652030.

Adding to 2111320223 its reverse (3220231112), we get a palindrome (5331551335).

The spelling of 2111320223 in words is "two billion, one hundred eleven million, three hundred twenty thousand, two hundred twenty-three".