11101110220201 has 4 divisors (see below), whose sum is σ = 11140615950804. Its totient is φ = 11061604489600.

The previous prime is 11101110220157. The next prime is 11101110220223. The reversal of 11101110220201 is 10202201110111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10099461541225 + 1001648678976 = 3177965^2 + 1000824^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101110220201 - 2⁷ = 11101110220073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101110220271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19752864880 + ... + 19752865441.

It is an arithmetic number, because the mean of its divisors is an integer number (2785153987701).

Almost surely, 2^{11101110220201} is an apocalyptic number.

It is an amenable number.

11101110220201 is a deficient number, since it is larger than the sum of its proper divisors (39505730603).

11101110220201 is an equidigital number, since it uses as much as digits as its factorization.

11101110220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39505730602.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101110220201 its reverse (10202201110111), we get a palindrome (21303311330312).

The spelling of 11101110220201 in words is "eleven trillion, one hundred one billion, one hundred ten million, two hundred twenty thousand, two hundred one".