111201020211213 has 20 divisors (see below), whose sum is σ = 166127296060000. Its totient is φ = 74128572508392.

The previous prime is 111201020211133. The next prime is 111201020211287. The reversal of 111201020211213 is 312112020102111.

It is a happy number.

It is not a de Polignac number, because 111201020211213 - 2⁹ = 111201020210701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201020211293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49268713 + ... + 51476286.

It is an arithmetic number, because the mean of its divisors is an integer number (8306364803000).

Almost surely, 2^{111201020211213} is an apocalyptic number.

It is an amenable number.

111201020211213 is a deficient number, since it is larger than the sum of its proper divisors (54926275848787).

111201020211213 is a wasteful number, since it uses less digits than its factorization.

111201020211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100758638 (or 100758629 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111201020211213 its reverse (312112020102111), we get a palindrome (423313040313324).

The spelling of 111201020211213 in words is "one hundred eleven trillion, two hundred one billion, twenty million, two hundred eleven thousand, two hundred thirteen".