2112412111 has 4 divisors (see below), whose sum is σ = 2113525224. Its totient is φ = 2111299000.

The previous prime is 2112412097. The next prime is 2112412139. The reversal of 2112412111 is 1112142112.

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 2112412111 - 2⁵ = 2112412079 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 (2112412151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553705 + ... + 557506.

It is an arithmetic number, because the mean of its divisors is an integer number (528381306).

Almost surely, 2^2112412111 is an apocalyptic number.

2112412111 is a deficient number, since it is larger than the sum of its proper divisors (1113113).

2112412111 is a wasteful number, since it uses less digits than its factorization.

2112412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113112.

The product of its digits is 32, while the sum is 16.

The square root of 2112412111 is about 45960.9846609056. The cubic root of 2112412111 is about 1283.0971773400.

Adding to 2112412111 its reverse (1112142112), we get a palindrome (3224554223).

The spelling of 2112412111 in words is "two billion, one hundred twelve million, four hundred twelve thousand, one hundred eleven".