11201100112021 has 8 divisors (see below), whose sum is σ = 11590825771800. Its totient is φ = 10811606507520.

The previous prime is 11201100112009. The next prime is 11201100112049. The reversal of 11201100112021 is 12021100110211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1274847025 + 11199825264996 = 35705^2 + 3346614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201100112021 - 2¹¹ = 11201100109973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201100111992 and 11201100112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201100112051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57915600 + ... + 58108681.

It is an arithmetic number, because the mean of its divisors is an integer number (1448853221475).

Almost surely, 2^{11201100112021} is an apocalyptic number.

It is an amenable number.

11201100112021 is a deficient number, since it is larger than the sum of its proper divisors (389725659779).

11201100112021 is a wasteful number, since it uses less digits than its factorization.

11201100112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116027639.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11201100112021 its reverse (12021100110211), we get a palindrome (23222200222232).

The spelling of 11201100112021 in words is "eleven trillion, two hundred one billion, one hundred million, one hundred twelve thousand, twenty-one".