112110021020 has 72 divisors (see below), whose sum is σ = 247210530336. Its totient is φ = 42626466432.

The previous prime is 112110021011. The next prime is 112110021031. The reversal of 112110021020 is 20120011211.

It is a junction number, because it is equal to n+sod(n) for n = 112110020992 and 112110021010.

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 23 ways as a sum of consecutive naturals, for example, 12217154 + ... + 12226326.

It is an arithmetic number, because the mean of its divisors is an integer number (3433479588).

Almost surely, 2^112110021020 is an apocalyptic number.

112110021020 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 112110021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123605265168).

112110021020 is an abundant number, since it is smaller than the sum of its proper divisors (135100509316).

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

112110021020 is a wasteful number, since it uses less digits than its factorization.

112110021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531 (or 9366 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112110021020 its reverse (20120011211), we get a palindrome (132230032231).

The spelling of 112110021020 in words is "one hundred twelve billion, one hundred ten million, twenty-one thousand, twenty".