11102220202201 has 4 divisors (see below), whose sum is σ = 11102228665252. Its totient is φ = 11102211739152.

The previous prime is 11102220202187. The next prime is 11102220202207. The reversal of 11102220202201 is 10220202220111.

It is a happy number.

11102220202201 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 8847793026576 + 2254427175625 = 2974524^2 + 1501475^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102220202201 - 2¹¹ = 11102220200153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102220202207) 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, 1796790 + ... + 5043103.

It is an arithmetic number, because the mean of its divisors is an integer number (2775557166313).

Almost surely, 2^{11102220202201} is an apocalyptic number.

It is an amenable number.

11102220202201 is a deficient number, since it is larger than the sum of its proper divisors (8463051).

11102220202201 is an equidigital number, since it uses as much as digits as its factorization.

11102220202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463050.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11102220202201 its reverse (10220202220111), we get a palindrome (21322422422312).

The spelling of 11102220202201 in words is "eleven trillion, one hundred two billion, two hundred twenty million, two hundred two thousand, two hundred one".