11133020211 has 16 divisors (see below), whose sum is σ = 15493040640. Its totient is φ = 7097657600.

The previous prime is 11133020201. The next prime is 11133020251. The reversal of 11133020211 is 11202033111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11133020211 - 2¹¹ = 11133018163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11133020201) 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, 323011 + ... + 355811.

It is an arithmetic number, because the mean of its divisors is an integer number (968315040).

Almost surely, 2^11133020211 is an apocalyptic number.

11133020211 is a deficient number, since it is larger than the sum of its proper divisors (4360020429).

11133020211 is a wasteful number, since it uses less digits than its factorization.

11133020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37746.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11133020211 its reverse (11202033111), we get a palindrome (22335053322).

The spelling of 11133020211 in words is "eleven billion, one hundred thirty-three million, twenty thousand, two hundred eleven".