11201001100221 has 16 divisors (see below), whose sum is σ = 15502385928960. Its totient is φ = 7185232810560.

The previous prime is 11201001100213. The next prime is 11201001100241. The reversal of 11201001100221 is 12200110010211.

It is not a de Polignac number, because 11201001100221 - 2³ = 11201001100213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11201001100197 and 11201001100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201001100241) 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, 219679525 + ... + 219730506.

It is an arithmetic number, because the mean of its divisors is an integer number (968899120560).

Almost surely, 2^{11201001100221} is an apocalyptic number.

It is an amenable number.

11201001100221 is a deficient number, since it is larger than the sum of its proper divisors (4301384828739).

11201001100221 is a wasteful number, since it uses less digits than its factorization.

11201001100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439410356.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201001100221 its reverse (12200110010211), we get a palindrome (23401111110432).

The spelling of 11201001100221 in words is "eleven trillion, two hundred one billion, one million, one hundred thousand, two hundred twenty-one".