113131322121 has 8 divisors (see below), whose sum is σ = 150891672960. Its totient is φ = 75395926352.

The previous prime is 113131322119. The next prime is 113131322131. The reversal of 113131322121 is 121223131311.

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 113131322121 - 2¹ = 113131322119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113131322111) 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, 6228186 + ... + 6246323.

It is an arithmetic number, because the mean of its divisors is an integer number (18861459120).

Almost surely, 2^113131322121 is an apocalyptic number.

It is an amenable number.

113131322121 is a deficient number, since it is larger than the sum of its proper divisors (37760350839).

113131322121 is a wasteful number, since it uses less digits than its factorization.

113131322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477535.

The product of its digits is 216, while the sum is 21.

Adding to 113131322121 its reverse (121223131311), we get a palindrome (234354453432).

The spelling of 113131322121 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty-one".