201000101 has 8 divisors (see below), whose sum is σ = 202445760. Its totient is φ = 199559808.

The previous prime is 201000091. The next prime is 201000109. The reversal of 201000101 is 101000102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000109) 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, 98645 + ... + 100661.

It is an arithmetic number, because the mean of its divisors is an integer number (25305720).

Almost surely, 2^201000101 is an apocalyptic number.

It is an amenable number.

201000101 is a deficient number, since it is larger than the sum of its proper divisors (1445659).

201000101 is a wasteful number, since it uses less digits than its factorization.

201000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 201000101 is about 14177.4504407527. The cubic root of 201000101 is about 585.7766983802.

Adding to 201000101 its reverse (101000102), we get a palindrome (302000203).

Subtracting from 201000101 its reverse (101000102), we obtain a palindrome (99999999).

The spelling of 201000101 in words is "two hundred one million, one hundred one", and thus it is an aban number.