2012112112111 has 8 divisors (see below), whose sum is σ = 2023737687104. Its totient is φ = 2000517916320.

The previous prime is 2012112112099. The next prime is 2012112112117. The reversal of 2012112112111 is 1112112112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012112112111 - 2¹⁹ = 2012111587823 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 (2012112112117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7716180 + ... + 7972681.

It is an arithmetic number, because the mean of its divisors is an integer number (252967210888).

Almost surely, 2^{2012112112111} is an apocalyptic number.

2012112112111 is a deficient number, since it is larger than the sum of its proper divisors (11625574993).

2012112112111 is a wasteful number, since it uses less digits than its factorization.

2012112112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15689601.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 2012112112111 its reverse (1112112112102), we get a palindrome (3124224224213).

Subtracting from 2012112112111 its reverse (1112112112102), we obtain a palindrome (900000000009).

The spelling of 2012112112111 in words is "two trillion, twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred eleven".