11201020013121 has 8 divisors (see below), whose sum is σ = 14999910353280. Its totient is φ = 7434738174192.

The previous prime is 11201020013023. The next prime is 11201020013191. The reversal of 11201020013121 is 12131002010211.

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

It is not a de Polignac number, because 11201020013121 - 2¹⁰ = 11201020012097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11201020013121.

It is not an unprimeable number, because it can be changed into a prime (11201020013191) 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, 8152124505 + ... + 8152125878.

It is an arithmetic number, because the mean of its divisors is an integer number (1874988794160).

Almost surely, 2^{11201020013121} is an apocalyptic number.

It is an amenable number.

11201020013121 is a deficient number, since it is larger than the sum of its proper divisors (3798890340159).

11201020013121 is a wasteful number, since it uses less digits than its factorization.

11201020013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16304250615.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11201020013121 its reverse (12131002010211), we get a palindrome (23332022023332).

The spelling of 11201020013121 in words is "eleven trillion, two hundred one billion, twenty million, thirteen thousand, one hundred twenty-one".