201011010001 has 4 divisors (see below), whose sum is σ = 205913717604. Its totient is φ = 196108302400.

The previous prime is 201011009981. The next prime is 201011010007. The reversal of 201011010001 is 100010110102.

201011010001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81347596225 + 119663413776 = 285215^2 + 345924^2 .

It is a cyclic number.

It is not a de Polignac number, because 201011010001 - 2⁷ = 201011009873 is a prime.

It is a super-2 number, since 2×201011010001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201011010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451353740 + ... + 2451353821.

It is an arithmetic number, because the mean of its divisors is an integer number (51478429401).

Almost surely, 2^201011010001 is an apocalyptic number.

It is an amenable number.

201011010001 is a deficient number, since it is larger than the sum of its proper divisors (4902707603).

201011010001 is an equidigital number, since it uses as much as digits as its factorization.

201011010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902707602.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 201011010001 its reverse (100010110102), we get a palindrome (301021120103).

The spelling of 201011010001 in words is "two hundred one billion, eleven million, ten thousand, one".