112111212110020 has 24 divisors (see below), whose sum is σ = 235434653857368. Its totient is φ = 44844273715200.

The previous prime is 112111212110011. The next prime is 112111212110041. The reversal of 112111212110020 is 20011212111211.

It can be written as a sum of positive squares in 4 ways, for example, as 22069479364 + 112089142630656 = 148558^2 + 10587216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112111212109976 and 112111212110003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8805661 + ... + 17371300.

It is an arithmetic number, because the mean of its divisors is an integer number (9809777244057).

Almost surely, 2^{112111212110020} is an apocalyptic number.

112111212110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111212110020 is an abundant number, since it is smaller than the sum of its proper divisors (123323441747348).

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

112111212110020 is a wasteful number, since it uses less digits than its factorization.

112111212110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26391111 (or 26391109 counting only the distinct ones).

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

Adding to 112111212110020 its reverse (20011212111211), we get a palindrome (132122424221231).

The spelling of 112111212110020 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twelve million, one hundred ten thousand, twenty".