201112011113 has 4 divisors (see below), whose sum is σ = 216582165828. Its totient is φ = 185641856400.

The previous prime is 201112011103. The next prime is 201112011181. The reversal of 201112011113 is 311110211102.

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 58558192144 + 142553818969 = 241988^2 + 377563^2 .

It is not a de Polignac number, because 201112011113 - 2¹⁶ = 201111945577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112011103) 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, 7735077338 + ... + 7735077363.

It is an arithmetic number, because the mean of its divisors is an integer number (54145541457).

Almost surely, 2^201112011113 is an apocalyptic number.

It is an amenable number.

201112011113 is a deficient number, since it is larger than the sum of its proper divisors (15470154715).

201112011113 is a wasteful number, since it uses less digits than its factorization.

201112011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470154714.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 201112011113 its reverse (311110211102), we get a palindrome (512222222215).

The spelling of 201112011113 in words is "two hundred one billion, one hundred twelve million, eleven thousand, one hundred thirteen".