11201100120221 has 16 divisors (see below), whose sum is σ = 12298950882240. Its totient is φ = 10116529188480.

The previous prime is 11201100120193. The next prime is 11201100120241. The reversal of 11201100120221 is 12202100110211.

It is a de Polignac number, because none of the positive numbers 2^k-11201100120221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11201100120196 and 11201100120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201100120241) 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, 11856890 + ... + 12766676.

It is an arithmetic number, because the mean of its divisors is an integer number (768684430140).

Almost surely, 2^{11201100120221} is an apocalyptic number.

11201100120221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11201100120221 is a deficient number, since it is larger than the sum of its proper divisors (1097850762019).

11201100120221 is a wasteful number, since it uses less digits than its factorization.

11201100120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917084.

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

Adding to 11201100120221 its reverse (12202100110211), we get a palindrome (23403200230432).

The spelling of 11201100120221 in words is "eleven trillion, two hundred one billion, one hundred million, one hundred twenty thousand, two hundred twenty-one".