112123110222020 has 144 divisors (see below), whose sum is σ = 249969843580800. Its totient is φ = 42234104360448.

The previous prime is 112123110221971. The next prime is 112123110222041. The reversal of 112123110222020 is 20222011321211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112123110221983 and 112123110222001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422337281 + ... + 422602679.

Almost surely, 2^{112123110222020} is an apocalyptic number.

112123110222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112123110222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124984921790400).

112123110222020 is an abundant number, since it is smaller than the sum of its proper divisors (137846733358780).

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

112123110222020 is a wasteful number, since it uses less digits than its factorization.

112123110222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266074 (or 266049 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 112123110222020 its reverse (20222011321211), we get a palindrome (132345121543231).

The spelling of 112123110222020 in words is "one hundred twelve trillion, one hundred twenty-three billion, one hundred ten million, two hundred twenty-two thousand, twenty".