201200101001 has 2 divisors, whose sum is σ = 201200101002. Its totient is φ = 201200101000.

The previous prime is 201200100967. The next prime is 201200101021. The reversal of 201200101001 is 100101002102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191580414601 + 9619686400 = 437699^2 + 98080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201200101001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201200101001.

It is not a weakly prime, because it can be changed into another prime (201200101021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600050500 + 100600050501.

It is an arithmetic number, because the mean of its divisors is an integer number (100600050501).

Almost surely, 2^201200101001 is an apocalyptic number.

It is an amenable number.

201200101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201200101001 is an equidigital number, since it uses as much as digits as its factorization.

201200101001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201200101001 its reverse (100101002102), we get a palindrome (301301103103).

The spelling of 201200101001 in words is "two hundred one billion, two hundred million, one hundred one thousand, one".