112020100 has 36 divisors (see below), whose sum is σ = 244862800. Its totient is φ = 44480160.

The previous prime is 112020091. The next prime is 112020107. The reversal of 112020100 is 1020211.

It is not an unprimeable number, because it can be changed into a prime (112020107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9871 + ... + 17929.

Almost surely, 2^112020100 is an apocalyptic number.

112020100 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 112020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122431400).

112020100 is an abundant number, since it is smaller than the sum of its proper divisors (132842700).

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

112020100 is a wasteful number, since it uses less digits than its factorization.

112020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 112020100 is about 10583.9548373942. The cubic root of 112020100 is about 482.0572867409.

Adding to 112020100 its reverse (1020211), we get a palindrome (113040311).

The spelling of 112020100 in words is "one hundred twelve million, twenty thousand, one hundred".