201200101 has 12 divisors (see below), whose sum is σ = 213811104. Its totient is φ = 189297000.

The previous prime is 201200081. The next prime is 201200183. The reversal of 201200101 is 101002102.

It is not a de Polignac number, because 201200101 - 2¹³ = 201191909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200501) 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 11 ways as a sum of consecutive naturals, for example, 52666 + ... + 56356.

It is an arithmetic number, because the mean of its divisors is an integer number (17817592).

Almost surely, 2^201200101 is an apocalyptic number.

It is an amenable number.

201200101 is a deficient number, since it is larger than the sum of its proper divisors (12611003).

201200101 is a wasteful number, since it uses less digits than its factorization.

201200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 201200101 is about 14184.5021414218. The cubic root of 201200101 is about 585.9709213401.

Adding to 201200101 its reverse (101002102), we get a palindrome (302202203).

The spelling of 201200101 in words is "two hundred one million, two hundred thousand, one hundred one".