11201110122011 has 4 divisors (see below), whose sum is σ = 11201425495224. Its totient is φ = 11200794748800.

The previous prime is 11201110121969. The next prime is 11201110122023. The reversal of 11201110122011 is 11022101110211.

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 11201110122011 - 2²² = 11201105927707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201110122031) 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, 157633325 + ... + 157704366.

It is an arithmetic number, because the mean of its divisors is an integer number (2800356373806).

Almost surely, 2^{11201110122011} is an apocalyptic number.

11201110122011 is a deficient number, since it is larger than the sum of its proper divisors (315373213).

11201110122011 is an equidigital number, since it uses as much as digits as its factorization.

11201110122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315373212.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201110122011 its reverse (11022101110211), we get a palindrome (22223211232222).

The spelling of 11201110122011 in words is "eleven trillion, two hundred one billion, one hundred ten million, one hundred twenty-two thousand, eleven".