10011001001011 has 4 divisors (see below), whose sum is σ = 10011161761272. Its totient is φ = 10010840240752.

The previous prime is 10011001000951. The next prime is 10011001001123. The reversal of 10011001001011 is 11010010011001.

It is a happy number.

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 10011001001011 - 2¹¹ = 10011000998963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011001000985 and 10011001001003.

It is not an unprimeable number, because it can be changed into a prime (10011001001311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80286685 + ... + 80411278.

It is an arithmetic number, because the mean of its divisors is an integer number (2502790440318).

Almost surely, 2^{10011001001011} is an apocalyptic number.

10011001001011 is a deficient number, since it is larger than the sum of its proper divisors (160760261).

10011001001011 is an equidigital number, since it uses as much as digits as its factorization.

10011001001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160760260.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10011001001011 its reverse (11010010011001), we get a palindrome (21021011012012).

The spelling of 10011001001011 in words is "ten trillion, eleven billion, one million, one thousand, eleven".