11221112211 has 16 divisors (see below), whose sum is σ = 15515046144. Its totient is φ = 7207886304.

The previous prime is 11221112197. The next prime is 11221112213.

It is a happy number.

11221112211 is nontrivially palindromic in base 10.

11221112211 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 11221112211 - 2¹⁹ = 11220587923 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11221112213) 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 15 ways as a sum of consecutive naturals, for example, 479301 + ... + 502166.

It is an arithmetic number, because the mean of its divisors is an integer number (969690384).

Almost surely, 2^11221112211 is an apocalyptic number.

11221112211 is a deficient number, since it is larger than the sum of its proper divisors (4293933933).

11221112211 is a wasteful number, since it uses less digits than its factorization.

11221112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981610.

The product of its digits is 16, while the sum is 15.

The spelling of 11221112211 in words is "eleven billion, two hundred twenty-one million, one hundred twelve thousand, two hundred eleven".