201220112 has 10 divisors (see below), whose sum is σ = 389863998. Its totient is φ = 100610048.

The previous prime is 201220073. The next prime is 201220199. The reversal of 201220112 is 211022102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 167857936 + 33362176 = 12956^2 + 5776^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201220093 and 201220102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288113 + ... + 6288144.

Almost surely, 2^201220112 is an apocalyptic number.

It is an amenable number.

201220112 is a deficient number, since it is larger than the sum of its proper divisors (188643886).

201220112 is a wasteful number, since it uses less digits than its factorization.

201220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576265 (or 12576259 counting only the distinct ones).

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

The square root of 201220112 is about 14185.2075064132. The cubic root of 201220112 is about 585.9903472339.

Adding to 201220112 its reverse (211022102), we get a palindrome (412242214).

The spelling of 201220112 in words is "two hundred one million, two hundred twenty thousand, one hundred twelve".