2112403011111 has 24 divisors (see below), whose sum is σ = 3109357682496. Its totient is φ = 1381458386880.

The previous prime is 2112403011091. The next prime is 2112403011137. The reversal of 2112403011111 is 1111103042112.

2112403011111 is a `hidden beast` number, since 2 + 11 + 240 + 301 + 1 + 111 = 666.

It is not a de Polignac number, because 2112403011111 - 2¹¹ = 2112403009063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112403011211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2396226 + ... + 3157008.

It is an arithmetic number, because the mean of its divisors is an integer number (129556570104).

Almost surely, 2^{2112403011111} is an apocalyptic number.

2112403011111 is a deficient number, since it is larger than the sum of its proper divisors (996954671385).

2112403011111 is a wasteful number, since it uses less digits than its factorization.

2112403011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766663 (or 766660 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2112403011111 its reverse (1111103042112), we get a palindrome (3223506053223).

The spelling of 2112403011111 in words is "two trillion, one hundred twelve billion, four hundred three million, eleven thousand, one hundred eleven".