112121054502168 has 128 divisors (see below), whose sum is σ = 293615738380800. Its totient is φ = 35611339585536.

The previous prime is 112121054502139. The next prime is 112121054502199. The reversal of 112121054502168 is 861205450121211.

It is a super-2 number, since 2×112121054502168² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176547696 + ... + 177181632.

It is an arithmetic number, because the mean of its divisors is an integer number (2293872956100).

Almost surely, 2^{112121054502168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112121054502168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146807869190400).

112121054502168 is an abundant number, since it is smaller than the sum of its proper divisors (181494683878632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112121054502168 is a wasteful number, since it uses less digits than its factorization.

112121054502168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635201 (or 635197 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The spelling of 112121054502168 in words is "one hundred twelve trillion, one hundred twenty-one billion, fifty-four million, five hundred two thousand, one hundred sixty-eight".