201100101 has 8 divisors (see below), whose sum is σ = 268569120. Its totient is φ = 133848912.

The previous prime is 201100099. The next prime is 201100117. The reversal of 201100101 is 101001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201100101 - 2¹ = 201100099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52290 + ... + 56003.

It is an arithmetic number, because the mean of its divisors is an integer number (33571140).

Almost surely, 2^201100101 is an apocalyptic number.

It is an amenable number.

201100101 is a deficient number, since it is larger than the sum of its proper divisors (67469019).

201100101 is a wasteful number, since it uses less digits than its factorization.

201100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108915.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 201100101 is about 14180.9767294076. The cubic root of 201100101 is about 585.8738259569.

Adding to 201100101 its reverse (101001102), we get a palindrome (302101203).

The spelling of 201100101 in words is "two hundred one million, one hundred thousand, one hundred one".