13111102200021 has 16 divisors (see below), whose sum is σ = 19990350916224. Its totient is φ = 7487735206464.

The previous prime is 13111102199999. The next prime is 13111102200023. The reversal of 13111102200021 is 12000220111131.

It is not a de Polignac number, because 13111102200021 - 2¹⁴ = 13111102183637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111102200023) 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, 180095806 + ... + 180168591.

It is an arithmetic number, because the mean of its divisors is an integer number (1249396932264).

Almost surely, 2^{13111102200021} is an apocalyptic number.

It is an amenable number.

13111102200021 is a deficient number, since it is larger than the sum of its proper divisors (6879248716203).

13111102200021 is a wasteful number, since it uses less digits than its factorization.

13111102200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360266140.

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

Adding to 13111102200021 its reverse (12000220111131), we get a palindrome (25111322311152).

The spelling of 13111102200021 in words is "thirteen trillion, one hundred eleven billion, one hundred two million, two hundred thousand, twenty-one".