201101200001 has 24 divisors (see below), whose sum is σ = 231385580640. Its totient is φ = 174094292736.

The previous prime is 201101199953. The next prime is 201101200021. The reversal of 201101200001 is 100002101102.

It is a de Polignac number, because none of the positive numbers 2^k-201101200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101200021) 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, 689390 + ... + 936728.

It is an arithmetic number, because the mean of its divisors is an integer number (9641065860).

Almost surely, 2^201101200001 is an apocalyptic number.

It is an amenable number.

201101200001 is a deficient number, since it is larger than the sum of its proper divisors (30284380639).

201101200001 is a wasteful number, since it uses less digits than its factorization.

201101200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247665 (or 247652 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201101200001 its reverse (100002101102), we get a palindrome (301103301103).

The spelling of 201101200001 in words is "two hundred one billion, one hundred one million, two hundred thousand, one".