11210221211011 has 4 divisors (see below), whose sum is σ = 11210684869800. Its totient is φ = 11209757552224.

The previous prime is 11210221210997. The next prime is 11210221211027. The reversal of 11210221211011 is 11011212201211.

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 11210221211011 - 2¹⁵ = 11210221178243 is a prime.

It is a super-3 number, since 3×11210221211011³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210221211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231793126 + ... + 231841483.

It is an arithmetic number, because the mean of its divisors is an integer number (2802671217450).

Almost surely, 2^{11210221211011} is an apocalyptic number.

11210221211011 is a deficient number, since it is larger than the sum of its proper divisors (463658789).

11210221211011 is an equidigital number, since it uses as much as digits as its factorization.

11210221211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463658788.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11210221211011 its reverse (11011212201211), we get a palindrome (22221433412222).

The spelling of 11210221211011 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, eleven".