11220101210211 has 4 divisors (see below), whose sum is σ = 14960134946952. Its totient is φ = 7480067473472.

The previous prime is 11220101210167. The next prime is 11220101210221. The reversal of 11220101210211 is 11201210102211.

It is a happy number.

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 11220101210211 - 2¹⁵ = 11220101177443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220101210221) 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, 1870016868366 + ... + 1870016868371.

It is an arithmetic number, because the mean of its divisors is an integer number (3740033736738).

Almost surely, 2^{11220101210211} is an apocalyptic number.

11220101210211 is a deficient number, since it is larger than the sum of its proper divisors (3740033736741).

11220101210211 is an equidigital number, since it uses as much as digits as its factorization.

11220101210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740033736740.

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

Adding to 11220101210211 its reverse (11201210102211), we get a palindrome (22421311312422).

The spelling of 11220101210211 in words is "eleven trillion, two hundred twenty billion, one hundred one million, two hundred ten thousand, two hundred eleven".