112155210 has 96 divisors (see below), whose sum is σ = 306408960. Its totient is φ = 28425600.

The previous prime is 112155203. The next prime is 112155287. The reversal of 112155210 is 12551211.

112155210 is a `hidden beast` number, since 112 + 1 + 552 + 1 + 0 = 666.

It is a super-2 number, since 2×112155210² = 25157582260288200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 169861 + ... + 170519.

It is an arithmetic number, because the mean of its divisors is an integer number (3191760).

Almost surely, 2^112155210 is an apocalyptic number.

112155210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112155210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153204480).

112155210 is an abundant number, since it is smaller than the sum of its proper divisors (194253750).

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

112155210 is a wasteful number, since it uses less digits than its factorization.

112155210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 112155210 is about 10590.3356887306. The cubic root of 112155210 is about 482.2510156411.

The spelling of 112155210 in words is "one hundred twelve million, one hundred fifty-five thousand, two hundred ten".