2012111201113 has 4 divisors (see below), whose sum is σ = 2166888985828. Its totient is φ = 1857333416400.

The previous prime is 2012111201101. The next prime is 2012111201131. The reversal of 2012111201113 is 3111021112102.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 936642646809 + 1075468554304 = 967803^2 + 1037048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012111201113 - 2²⁵ = 2012077646681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012111201153) 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, 77388892338 + ... + 77388892363.

It is an arithmetic number, because the mean of its divisors is an integer number (541722246457).

Almost surely, 2^{2012111201113} is an apocalyptic number.

It is an amenable number.

2012111201113 is a deficient number, since it is larger than the sum of its proper divisors (154777784715).

2012111201113 is a wasteful number, since it uses less digits than its factorization.

2012111201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154777784714.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2012111201113 its reverse (3111021112102), we get a palindrome (5123132313215).

The spelling of 2012111201113 in words is "two trillion, twelve billion, one hundred eleven million, two hundred one thousand, one hundred thirteen".