113312121112 has 24 divisors (see below), whose sum is σ = 224230882500. Its totient is φ = 53674161264.

The previous prime is 113312121061. The next prime is 113312121133. The reversal of 113312121112 is 211121213311.

It is a super-2 number, since 2×113312121112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 113312121112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19614862 + ... + 19620637.

Almost surely, 2^113312121112 is an apocalyptic number.

It is an amenable number.

113312121112 is a deficient number, since it is larger than the sum of its proper divisors (110918761388).

113312121112 is a wasteful number, since it uses less digits than its factorization.

113312121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39235543 (or 39235520 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 113312121112 its reverse (211121213311), we get a palindrome (324433334423).

The spelling of 113312121112 in words is "one hundred thirteen billion, three hundred twelve million, one hundred twenty-one thousand, one hundred twelve".