201200000101001 has 4 divisors (see below), whose sum is σ = 219490909201104. Its totient is φ = 182909091000900.

The previous prime is 201200000100971. The next prime is 201200000101039. The reversal of 201200000101001 is 100101000002102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201200000101001 - 2³⁰ = 201198926359177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201200000101001.

It is not an unprimeable number, because it can be changed into a prime (201200000101091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9145454550035 + ... + 9145454550056.

It is an arithmetic number, because the mean of its divisors is an integer number (54872727300276).

Almost surely, 2^{201200000101001} is an apocalyptic number.

It is an amenable number.

201200000101001 is a deficient number, since it is larger than the sum of its proper divisors (18290909100103).

201200000101001 is a wasteful number, since it uses less digits than its factorization.

201200000101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290909100102.

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

Adding to 201200000101001 its reverse (100101000002102), we get a palindrome (301301000103103).

The spelling of 201200000101001 in words is "two hundred one trillion, two hundred billion, one hundred one thousand, one".