112201220 has 24 divisors (see below), whose sum is σ = 240637824. Its totient is φ = 43925216.

The previous prime is 112201211. The next prime is 112201223. The reversal of 112201220 is 22102211.

It is a happy number.

It is a super-2 number, since 2×112201220² = 25178227538976800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112201223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58742 + ... + 60621.

It is an arithmetic number, because the mean of its divisors is an integer number (10026576).

Almost surely, 2^112201220 is an apocalyptic number.

112201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112201220 is an abundant number, since it is smaller than the sum of its proper divisors (128436604).

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

112201220 is a wasteful number, since it uses less digits than its factorization.

112201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119419 (or 119417 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112201220 is about 10592.5077295228. The cubic root of 112201220 is about 482.3169520512.

Adding to 112201220 its reverse (22102211), we get a palindrome (134303431).

Subtracting from 112201220 its reverse (22102211), we obtain a palindrome (90099009).

The spelling of 112201220 in words is "one hundred twelve million, two hundred one thousand, two hundred twenty".