112100023420 has 144 divisors (see below), whose sum is σ = 299361847680. Its totient is φ = 34867459200.

The previous prime is 112100023417. The next prime is 112100023489. The reversal of 112100023420 is 24320001211.

It is a junction number, because it is equal to n+sod(n) for n = 112100023394 and 112100023403.

It is a congruent number.

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, 5282391 + ... + 5303569.

It is an arithmetic number, because the mean of its divisors is an integer number (2078901720).

Almost surely, 2^112100023420 is an apocalyptic number.

112100023420 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 112100023420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149680923840).

112100023420 is an abundant number, since it is smaller than the sum of its proper divisors (187261824260).

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

112100023420 is a wasteful number, since it uses less digits than its factorization.

112100023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704 (or 21695 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 112100023420 its reverse (24320001211), we get a palindrome (136420024631).

The spelling of 112100023420 in words is "one hundred twelve billion, one hundred million, twenty-three thousand, four hundred twenty".