11220211011 has 8 divisors (see below), whose sum is σ = 15170989824. Its totient is φ = 7374786440.

The previous prime is 11220211007. The next prime is 11220211061. The reversal of 11220211011 is 11011202211.

11220211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220211011 - 2² = 11220211007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220211061) 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 7 ways as a sum of consecutive naturals, for example, 26338311 + ... + 26338736.

It is an arithmetic number, because the mean of its divisors is an integer number (1896373728).

Almost surely, 2^11220211011 is an apocalyptic number.

11220211011 is a deficient number, since it is larger than the sum of its proper divisors (3950778813).

11220211011 is an equidigital number, since it uses as much as digits as its factorization.

11220211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52677121.

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

Adding to 11220211011 its reverse (11011202211), we get a palindrome (22231413222).

The spelling of 11220211011 in words is "eleven billion, two hundred twenty million, two hundred eleven thousand, eleven".