2111222223 has 12 divisors (see below), whose sum is σ = 3326774568. Its totient is φ = 1279528560.

The previous prime is 2111222203. The next prime is 2111222251. The reversal of 2111222223 is 3222221112.

It is not a de Polignac number, because 2111222223 - 2⁸ = 2111221967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111222196 and 2111222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111222203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10662640 + ... + 10662837.

It is an arithmetic number, because the mean of its divisors is an integer number (277231214).

Almost surely, 2^2111222223 is an apocalyptic number.

2111222223 is a deficient number, since it is larger than the sum of its proper divisors (1215552345).

2111222223 is a wasteful number, since it uses less digits than its factorization.

2111222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21325494 (or 21325491 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2111222223 is about 45948.0382932721. The cubic root of 2111222223 is about 1282.8562160429.

Adding to 2111222223 its reverse (3222221112), we get a palindrome (5333443335).

The spelling of 2111222223 in words is "two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-three".