201110120011 has 4 divisors (see below), whose sum is σ = 203062645552. Its totient is φ = 199157594472.

The previous prime is 201110120009. The next prime is 201110120033. The reversal of 201110120011 is 110021011102.

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 201110120011 - 2¹ = 201110120009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201110120011.

It is not an unprimeable number, because it can be changed into a prime (201110120111) 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, 976262616 + ... + 976262821.

It is an arithmetic number, because the mean of its divisors is an integer number (50765661388).

Almost surely, 2^201110120011 is an apocalyptic number.

201110120011 is a deficient number, since it is larger than the sum of its proper divisors (1952525541).

201110120011 is a wasteful number, since it uses less digits than its factorization.

201110120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952525540.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201110120011 its reverse (110021011102), we get a palindrome (311131131113).

The spelling of 201110120011 in words is "two hundred one billion, one hundred ten million, one hundred twenty thousand, eleven".