1001001010011 has 4 divisors (see below), whose sum is σ = 1334668013352. Its totient is φ = 667334006672.

The previous prime is 1001001010007. The next prime is 1001001010013. The reversal of 1001001010011 is 1100101001001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001001010011 - 2² = 1001001010007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001001010013) 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, 166833501666 + ... + 166833501671.

It is an arithmetic number, because the mean of its divisors is an integer number (333667003338).

Almost surely, 2^{1001001010011} is an apocalyptic number.

1001001010011 is a deficient number, since it is larger than the sum of its proper divisors (333667003341).

1001001010011 is an equidigital number, since it uses as much as digits as its factorization.

1001001010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333667003340.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1001001010011 its reverse (1100101001001), we get a palindrome (2101102011012).

It can be divided in two parts, 100100 and 1010011, that added together give a palindrome (1110111).

The spelling of 1001001010011 in words is "one trillion, one billion, one million, ten thousand, eleven".