201171150212050 has 24 divisors (see below), whose sum is σ = 390446962848576. Its totient is φ = 76969831385040.

The previous prime is 201171150212033. The next prime is 201171150212077. The reversal of 201171150212050 is 50212051171102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87465716334 + ... + 87465718633.

It is an arithmetic number, because the mean of its divisors is an integer number (16268623452024).

Almost surely, 2^{201171150212050} is an apocalyptic number.

201171150212050 is a deficient number, since it is larger than the sum of its proper divisors (189275812636526).

201171150212050 is a wasteful number, since it uses less digits than its factorization.

201171150212050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174931435002 (or 174931434997 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 28.

The spelling of 201171150212050 in words is "two hundred one trillion, one hundred seventy-one billion, one hundred fifty million, two hundred twelve thousand, fifty".