201110221102011 has 16 divisors (see below), whose sum is σ = 289222754505216. Its totient is φ = 123567663051936.

The previous prime is 201110221102009. The next prime is 201110221102027. The reversal of 201110221102011 is 110201122011102.

It is a happy number.

It is not a de Polignac number, because 201110221102011 - 2¹ = 201110221102009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201110221102061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009828995 + ... + 4009879148.

It is an arithmetic number, because the mean of its divisors is an integer number (18076422156576).

Almost surely, 2^{201110221102011} is an apocalyptic number.

201110221102011 is a deficient number, since it is larger than the sum of its proper divisors (88112533403205).

201110221102011 is a wasteful number, since it uses less digits than its factorization.

201110221102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019708802.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201110221102011 its reverse (110201122011102), we get a palindrome (311311343113113).

Subtracting from 201110221102011 its reverse (110201122011102), we obtain a palindrome (90909099090909).

The spelling of 201110221102011 in words is "two hundred one trillion, one hundred ten billion, two hundred twenty-one million, one hundred two thousand, eleven".