201110011011011 has 4 divisors (see below), whose sum is σ = 201291354574800. Its totient is φ = 200928667447224.

The previous prime is 201110011010911. The next prime is 201110011011029. The reversal of 201110011011011 is 110110110011102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201110011011011 - 2⁴⁶ = 130741266833347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110011010983 and 201110011011001.

It is not an unprimeable number, because it can be changed into a prime (201110016011011) 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, 90671780231 + ... + 90671782448.

It is an arithmetic number, because the mean of its divisors is an integer number (50322838643700).

Almost surely, 2^{201110011011011} is an apocalyptic number.

201110011011011 is a deficient number, since it is larger than the sum of its proper divisors (181343563789).

201110011011011 is a wasteful number, since it uses less digits than its factorization.

201110011011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181343563788.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 201110011011011 its reverse (110110110011102), we get a palindrome (311220121022113).

Subtracting from 201110011011011 its reverse (110110110011102), we obtain a palindrome (90999900999909).

The spelling of 201110011011011 in words is "two hundred one trillion, one hundred ten billion, eleven million, eleven thousand, eleven".