11201102021201 has 4 divisors (see below), whose sum is σ = 11201108766900. Its totient is φ = 11201095275504.

The previous prime is 11201102021191. The next prime is 11201102021269. The reversal of 11201102021201 is 10212020110211.

11201102021201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4225692811201 + 6975409210000 = 2055649^2 + 2641100^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201102021201 - 2¹⁰ = 11201102020177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201102021101) 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, 1058915 + ... + 4850103.

It is an arithmetic number, because the mean of its divisors is an integer number (2800277191725).

Almost surely, 2^{11201102021201} is an apocalyptic number.

It is an amenable number.

11201102021201 is a deficient number, since it is larger than the sum of its proper divisors (6745699).

11201102021201 is an equidigital number, since it uses as much as digits as its factorization.

11201102021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745698.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11201102021201 its reverse (10212020110211), we get a palindrome (21413122131412).

The spelling of 11201102021201 in words is "eleven trillion, two hundred one billion, one hundred two million, twenty-one thousand, two hundred one".