11001000021011 has 16 divisors (see below), whose sum is σ = 14770573456128. Its totient is φ = 7912807207200.

The previous prime is 11001000020993. The next prime is 11001000021029. The reversal of 11001000021011 is 11012000010011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11001000020993) and next prime (11001000021029).

It is not a de Polignac number, because 11001000021011 - 2⁴² = 6602953509907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11001000021011.

It is not an unprimeable number, because it can be changed into a prime (11001000021061) 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 15 ways as a sum of consecutive naturals, for example, 5495004005 + ... + 5495006006.

It is an arithmetic number, because the mean of its divisors is an integer number (923160841008).

Almost surely, 2^{11001000021011} is an apocalyptic number.

11001000021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001000021011 is a deficient number, since it is larger than the sum of its proper divisors (3769573435117).

11001000021011 is a wasteful number, since it uses less digits than its factorization.

11001000021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990010042.

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

Adding to 11001000021011 its reverse (11012000010011), we get a palindrome (22013000031022).

The spelling of 11001000021011 in words is "eleven trillion, one billion, twenty-one thousand, eleven".