201000101100201 has 24 divisors (see below), whose sum is σ = 312667635066696. Its totient is φ = 123692049020160.

The previous prime is 201000101100199. The next prime is 201000101100223. The reversal of 201000101100201 is 102001101000102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31095132842601 + 169904968257600 = 5576301^2 + 13034760^2 .

It is not a de Polignac number, because 201000101100201 - 2¹ = 201000101100199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (201000101110201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47853991 + ... + 51884531.

It is an arithmetic number, because the mean of its divisors is an integer number (13027818127779).

Almost surely, 2^{201000101100201} is an apocalyptic number.

It is an amenable number.

201000101100201 is a deficient number, since it is larger than the sum of its proper divisors (111667533966495).

201000101100201 is a wasteful number, since it uses less digits than its factorization.

201000101100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456793 (or 4456790 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201000101100201 its reverse (102001101000102), we get a palindrome (303001202100303).

The spelling of 201000101100201 in words is "two hundred one trillion, one hundred one million, one hundred thousand, two hundred one".