2112230311 has 4 divisors (see below), whose sum is σ = 2112327952. Its totient is φ = 2112132672.

The previous prime is 2112230299. The next prime is 2112230317. The reversal of 2112230311 is 1130322112.

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 2112230311 - 2¹¹ = 2112228263 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 (2112230317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291 + ... + 64996.

It is an arithmetic number, because the mean of its divisors is an integer number (528081988).

Almost surely, 2^2112230311 is an apocalyptic number.

2112230311 is a deficient number, since it is larger than the sum of its proper divisors (97641).

2112230311 is an equidigital number, since it uses as much as digits as its factorization.

2112230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97640.

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

The square root of 2112230311 is about 45959.0068539345. The cubic root of 2112230311 is about 1283.0603673259.

Adding to 2112230311 its reverse (1130322112), we get a palindrome (3242552423).

The spelling of 2112230311 in words is "two billion, one hundred twelve million, two hundred thirty thousand, three hundred eleven".