10001001011 has 2 divisors, whose sum is σ = 10001001012. Its totient is φ = 10001001010.

The previous prime is 10001001001. The next prime is 10001001037. The reversal of 10001001011 is 11010010001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001001011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001000986 and 10001001004.

It is not a weakly prime, because it can be changed into another prime (10001001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000500505 + 5000500506.

It is an arithmetic number, because the mean of its divisors is an integer number (5000500506).

Almost surely, 2^10001001011 is an apocalyptic number.

10001001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001001011 is an equidigital number, since it uses as much as digits as its factorization.

10001001011 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 10001001011 its reverse (11010010001), we get a palindrome (21011011012).

The spelling of 10001001011 in words is "ten billion, one million, one thousand, eleven".