113201021311 has 8 divisors (see below), whose sum is σ = 129374674560. Its totient is φ = 97027887768.

The previous prime is 113201021293. The next prime is 113201021317. The reversal of 113201021311 is 113120102311.

It is a happy number.

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

It is not a de Polignac number, because 113201021311 - 2²¹ = 113198924159 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 (113201021317) 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, 644880 + ... + 801418.

It is an arithmetic number, because the mean of its divisors is an integer number (16171834320).

Almost surely, 2^113201021311 is an apocalyptic number.

113201021311 is a deficient number, since it is larger than the sum of its proper divisors (16173653249).

113201021311 is a wasteful number, since it uses less digits than its factorization.

113201021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259853.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113201021311 its reverse (113120102311), we get a palindrome (226321123622).

The spelling of 113201021311 in words is "one hundred thirteen billion, two hundred one million, twenty-one thousand, three hundred eleven".