2111222243 has 32 divisors (see below), whose sum is σ = 2395008000. Its totient is φ = 1847615616.

The previous prime is 2111222203. The next prime is 2111222251. The reversal of 2111222243 is 3422221112.

It is a cyclic number.

It is not a de Polignac number, because 2111222243 - 2¹⁰ = 2111221219 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 8027330 + ... + 8027592.

It is an arithmetic number, because the mean of its divisors is an integer number (74844000).

Almost surely, 2^2111222243 is an apocalyptic number.

2111222243 is a deficient number, since it is larger than the sum of its proper divisors (283785757).

2111222243 is a wasteful number, since it uses less digits than its factorization.

2111222243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 384, while the sum is 20.

The square root of 2111222243 is about 45948.0385109093. The cubic root of 2111222243 is about 1282.8562200938.

Adding to 2111222243 its reverse (3422221112), we get a palindrome (5533443355).

The spelling of 2111222243 in words is "two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred forty-three".