2112303111 has 16 divisors (see below), whose sum is σ = 2833144704. Its totient is φ = 1399856544.

The previous prime is 2112303097. The next prime is 2112303121. The reversal of 2112303111 is 1113032112.

It is a happy number.

It is not a de Polignac number, because 2112303111 - 2¹⁷ = 2112172039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385356 + ... + 390798.

It is an arithmetic number, because the mean of its divisors is an integer number (177071544).

Almost surely, 2^2112303111 is an apocalyptic number.

2112303111 is a deficient number, since it is larger than the sum of its proper divisors (720841593).

2112303111 is a wasteful number, since it uses less digits than its factorization.

2112303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2112303111 is about 45959.7988572622. The cubic root of 2112303111 is about 1283.0751077831.

Adding to 2112303111 its reverse (1113032112), we get a palindrome (3225335223).

The spelling of 2112303111 in words is "two billion, one hundred twelve million, three hundred three thousand, one hundred eleven".