201100112 has 10 divisors (see below), whose sum is σ = 389631498. Its totient is φ = 100550048.

The previous prime is 201100099. The next prime is 201100117. The reversal of 201100112 is 211001102.

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 83247376 = 10856^2 + 9124^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 201100112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6284363 + ... + 6284394.

Almost surely, 2^201100112 is an apocalyptic number.

It is an amenable number.

201100112 is a deficient number, since it is larger than the sum of its proper divisors (188531386).

201100112 is a wasteful number, since it uses less digits than its factorization.

201100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568765 (or 12568759 counting only the distinct ones).

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

The square root of 201100112 is about 14180.9771172511. The cubic root of 201100112 is about 585.8738366391.

Adding to 201100112 its reverse (211001102), we get a palindrome (412101214).

The spelling of 201100112 in words is "two hundred one million, one hundred thousand, one hundred twelve".