201111123013011 has 96 divisors (see below), whose sum is σ = 310984187404800. Its totient is φ = 129814743674880.

The previous prime is 201111123013001. The next prime is 201111123013019. The reversal of 201111123013011 is 110310321111102.

201111123013011 is a `hidden beast` number, since 20 + 1 + 1 + 111 + 230 + 1 + 301 + 1 = 666.

201111123013011 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201111123013011 - 2¹⁴ = 201111122996627 is a prime.

It is a super-2 number, since 2×201111123013011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201111123013019) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1399263810 + ... + 1399407528.

It is an arithmetic number, because the mean of its divisors is an integer number (3239418618800).

Almost surely, 2^{201111123013011} is an apocalyptic number.

201111123013011 is a deficient number, since it is larger than the sum of its proper divisors (109873064391789).

201111123013011 is a wasteful number, since it uses less digits than its factorization.

201111123013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145271 (or 145259 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 201111123013011 its reverse (110310321111102), we get a palindrome (311421444124113).

The spelling of 201111123013011 in words is "two hundred one trillion, one hundred eleven billion, one hundred twenty-three million, thirteen thousand, eleven".