2012013111 has 4 divisors (see below), whose sum is σ = 2682684152. Its totient is φ = 1341342072.

The previous prime is 2012013097. The next prime is 2012013137. The reversal of 2012013111 is 1113102102.

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

It is not a de Polignac number, because 2012013111 - 2⁷ = 2012012983 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 (2012013191) 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, 335335516 + ... + 335335521.

It is an arithmetic number, because the mean of its divisors is an integer number (670671038).

Almost surely, 2^2012013111 is an apocalyptic number.

2012013111 is a deficient number, since it is larger than the sum of its proper divisors (670671041).

2012013111 is an equidigital number, since it uses as much as digits as its factorization.

2012013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670671040.

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

The square root of 2012013111 is about 44855.4691314225. The cubic root of 2012013111 is about 1262.4386112163.

Adding to 2012013111 its reverse (1113102102), we get a palindrome (3125115213).

The spelling of 2012013111 in words is "two billion, twelve million, thirteen thousand, one hundred eleven".