11001011200221 has 16 divisors (see below), whose sum is σ = 17216511737984. Its totient is φ = 6116392327104.

The previous prime is 11001011200219. The next prime is 11001011200237. The reversal of 11001011200221 is 12200211010011.

11001011200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11001011200221 - 2¹ = 11001011200219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11001011200197 and 11001011200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001011200321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7079157010 + ... + 7079158563.

It is an arithmetic number, because the mean of its divisors is an integer number (1076031983624).

Almost surely, 2^{11001011200221} is an apocalyptic number.

It is an amenable number.

11001011200221 is a deficient number, since it is larger than the sum of its proper divisors (6215500537763).

11001011200221 is a wasteful number, since it uses less digits than its factorization.

11001011200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14158315620.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001011200221 its reverse (12200211010011), we get a palindrome (23201222210232).

The spelling of 11001011200221 in words is "eleven trillion, one billion, eleven million, two hundred thousand, two hundred twenty-one".