2112323311 has 16 divisors (see below), whose sum is σ = 2503758400. Its totient is φ = 1780863840.

The previous prime is 2112323299. The next prime is 2112323333. The reversal of 2112323311 is 1133232112.

It is not a de Polignac number, because 2112323311 - 2⁹ = 2112322799 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 (2112323011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29556 + ... + 71401.

It is an arithmetic number, because the mean of its divisors is an integer number (156484900).

Almost surely, 2^2112323311 is an apocalyptic number.

2112323311 is a deficient number, since it is larger than the sum of its proper divisors (391435089).

2112323311 is an equidigital number, since it uses as much as digits as its factorization.

2112323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101039 (or 101025 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2112323311 is about 45960.0186140084. The cubic root of 2112323311 is about 1283.0791977950.

Adding to 2112323311 its reverse (1133232112), we get a palindrome (3245555423).

The spelling of 2112323311 in words is "two billion, one hundred twelve million, three hundred twenty-three thousand, three hundred eleven".