113121033112 has 16 divisors (see below), whose sum is σ = 212114115360. Its totient is φ = 56557269024.

The previous prime is 113121033107. The next prime is 113121033167. The reversal of 113121033112 is 211330121311.

It is a self number, because there is not a number n which added to its sum of digits gives 113121033112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254583 + ... + 539494.

It is an arithmetic number, because the mean of its divisors is an integer number (13257132210).

Almost surely, 2^113121033112 is an apocalyptic number.

It is an amenable number.

113121033112 is a deficient number, since it is larger than the sum of its proper divisors (98993082248).

113121033112 is a wasteful number, since it uses less digits than its factorization.

113121033112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811890 (or 811886 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113121033112 its reverse (211330121311), we get a palindrome (324451154423).

The spelling of 113121033112 in words is "one hundred thirteen billion, one hundred twenty-one million, thirty-three thousand, one hundred twelve".