201100198 has 16 divisors (see below), whose sum is σ = 326783520. Its totient is φ = 92813448.

The previous prime is 201100189. The next prime is 201100213. The reversal of 201100198 is 891001102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18490 + ... + 27277.

It is an arithmetic number, because the mean of its divisors is an integer number (20423970).

Almost surely, 2^201100198 is an apocalyptic number.

201100198 is a deficient number, since it is larger than the sum of its proper divisors (125683322).

201100198 is an equidigital number, since it uses as much as digits as its factorization.

201100198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45808 (or 45782 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 201100198 is about 14180.9801494819. The cubic root of 201100198 is about 585.8739201550.

The spelling of 201100198 in words is "two hundred one million, one hundred thousand, one hundred ninety-eight".