10001201110001 has 4 divisors (see below), whose sum is σ = 10001588884452. Its totient is φ = 10000813335552.

The previous prime is 10001201109929. The next prime is 10001201110007. The reversal of 10001201110001 is 10001110210001.

It is a happy number.

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 5411113392400 + 4590087717601 = 2326180^2 + 2142449^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001201110001 - 2¹⁸ = 10001200847857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001201110007) 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, 193848536 + ... + 193900121.

It is an arithmetic number, because the mean of its divisors is an integer number (2500397221113).

Almost surely, 2^{10001201110001} is an apocalyptic number.

It is an amenable number.

10001201110001 is a deficient number, since it is larger than the sum of its proper divisors (387774451).

10001201110001 is an equidigital number, since it uses as much as digits as its factorization.

10001201110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387774450.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10001201110001 its reverse (10001110210001), we get a palindrome (20002311320002).

The spelling of 10001201110001 in words is "ten trillion, one billion, two hundred one million, one hundred ten thousand, one".