2112434111 has 4 divisors (see below), whose sum is σ = 2113636800. Its totient is φ = 2111231424.

The previous prime is 2112434101. The next prime is 2112434119. The reversal of 2112434111 is 1114342112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112434111 - 2³⁰ = 1038692287 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 (2112434119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598706 + ... + 602223.

It is an arithmetic number, because the mean of its divisors is an integer number (528409200).

Almost surely, 2^2112434111 is an apocalyptic number.

2112434111 is a deficient number, since it is larger than the sum of its proper divisors (1202689).

2112434111 is a wasteful number, since it uses less digits than its factorization.

2112434111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202688.

The product of its digits is 192, while the sum is 20.

The square root of 2112434111 is about 45961.2239937102. The cubic root of 2112434111 is about 1283.1016316539.

Adding to 2112434111 its reverse (1114342112), we get a palindrome (3226776223).

The spelling of 2112434111 in words is "two billion, one hundred twelve million, four hundred thirty-four thousand, one hundred eleven".