2012103111 has 8 divisors (see below), whose sum is σ = 2686295920. Its totient is φ = 1339656192.

The previous prime is 2012103109. The next prime is 2012103127. The reversal of 2012103111 is 1113012102.

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

It is not a de Polignac number, because 2012103111 - 2¹ = 2012103109 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 (2012103811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433780 + ... + 438393.

It is an arithmetic number, because the mean of its divisors is an integer number (335786990).

Almost surely, 2^2012103111 is an apocalyptic number.

2012103111 is a deficient number, since it is larger than the sum of its proper divisors (674192809).

2012103111 is an equidigital number, since it uses as much as digits as its factorization.

2012103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872945.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2012103111 is about 44856.4723423499. The cubic root of 2012103111 is about 1262.4574344503.

Adding to 2012103111 its reverse (1113012102), we get a palindrome (3125115213).

The spelling of 2012103111 in words is "two billion, twelve million, one hundred three thousand, one hundred eleven".