201101100020201 has 8 divisors (see below), whose sum is σ = 201363743917224. Its totient is φ = 200838534082560.

The previous prime is 201101100020189. The next prime is 201101100020329. The reversal of 201101100020201 is 102020001101102.

It can be written as a sum of positive squares in 4 ways, for example, as 7221903769600 + 193879196250601 = 2687360^2 + 13924051^2 .

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-201101100020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101100020801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14326460 + ... + 24646493.

It is an arithmetic number, because the mean of its divisors is an integer number (25170467989653).

Almost surely, 2^{201101100020201} is an apocalyptic number.

It is an amenable number.

201101100020201 is a deficient number, since it is larger than the sum of its proper divisors (262643897023).

201101100020201 is an equidigital number, since it uses as much as digits as its factorization.

201101100020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38979691.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201101100020201 its reverse (102020001101102), we get a palindrome (303121101121303).

The spelling of 201101100020201 in words is "two hundred one trillion, one hundred one billion, one hundred million, twenty thousand, two hundred one".