112100120 has 32 divisors (see below), whose sum is σ = 275155920. Its totient is φ = 40763520.

The previous prime is 112100111. The next prime is 112100143. The reversal of 112100120 is 21001211.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 112100098 and 112100107.

It is a congruent number.

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, 126947 + ... + 127826.

Almost surely, 2^112100120 is an apocalyptic number.

112100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100120 is an abundant number, since it is smaller than the sum of its proper divisors (163055800).

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

112100120 is a wasteful number, since it uses less digits than its factorization.

112100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254795 (or 254791 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112100120 is about 10587.7344129894. The cubic root of 112100120 is about 482.1720430592.

Adding to 112100120 its reverse (21001211), we get a palindrome (133101331).

It can be divided in two parts, 1 and 12100120, that added together give a palindrome (12100121).

The spelling of 112100120 in words is "one hundred twelve million, one hundred thousand, one hundred twenty".