10001000011001 has 2 divisors, whose sum is σ = 10001000011002. Its totient is φ = 10001000011000.

The previous prime is 10001000010983. The next prime is 10001000011003. The reversal of 10001000011001 is 10011000010001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9023709594601 + 977290416400 = 3003949^2 + 988580^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001000011001 - 2²² = 10000995816697 is a prime.

Together with 10001000011003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10001000011003) 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 as a sum of consecutive naturals, namely, 5000500005500 + 5000500005501.

It is an arithmetic number, because the mean of its divisors is an integer number (5000500005501).

Almost surely, 2^{10001000011001} is an apocalyptic number.

It is an amenable number.

10001000011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001000011001 is an equidigital number, since it uses as much as digits as its factorization.

10001000011001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10001000011001 its reverse (10011000010001), we get a palindrome (20012000021002).

The spelling of 10001000011001 in words is "ten trillion, one billion, eleven thousand, one".