201251112 has 16 divisors (see below), whose sum is σ = 503127840. Its totient is φ = 67083696.

The previous prime is 201251111. The next prime is 201251119. The reversal of 201251112 is 211152102.

201251112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201251091 and 201251100.

It is not an unprimeable number, because it can be changed into a prime (201251111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192708 + ... + 4192755.

It is an arithmetic number, because the mean of its divisors is an integer number (31445490).

Almost surely, 2^201251112 is an apocalyptic number.

It is an amenable number.

201251112 is an abundant number, since it is smaller than the sum of its proper divisors (301876728).

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

201251112 is a wasteful number, since it uses less digits than its factorization.

201251112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385472 (or 8385468 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 201251112 is about 14186.3001519071. The cubic root of 201251112 is about 586.0204382750.

The spelling of 201251112 in words is "two hundred one million, two hundred fifty-one thousand, one hundred twelve".