11001202010221 has 16 divisors (see below), whose sum is σ = 11762522448768. Its totient is φ = 10252588262400.

The previous prime is 11001202010203. The next prime is 11001202010237. The reversal of 11001202010221 is 12201020210011.

It is not a de Polignac number, because 11001202010221 - 2⁷ = 11001202010093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001202010251) 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, 18781701 + ... + 19358581.

It is an arithmetic number, because the mean of its divisors is an integer number (735157653048).

Almost surely, 2^{11001202010221} is an apocalyptic number.

It is an amenable number.

11001202010221 is a deficient number, since it is larger than the sum of its proper divisors (761320438547).

11001202010221 is a wasteful number, since it uses less digits than its factorization.

11001202010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587892.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11001202010221 its reverse (12201020210011), we get a palindrome (23202222220232).

The spelling of 11001202010221 in words is "eleven trillion, one billion, two hundred two million, ten thousand, two hundred twenty-one".