11201222022211 has 24 divisors (see below), whose sum is σ = 13002032602944. Its totient is φ = 9586987666560.

The previous prime is 11201222022209. The next prime is 11201222022223. The reversal of 11201222022211 is 11222022210211.

It is not a de Polignac number, because 11201222022211 - 2¹ = 11201222022209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11201222022271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25170850 + ... + 25611991.

It is an arithmetic number, because the mean of its divisors is an integer number (541751358456).

Almost surely, 2^{11201222022211} is an apocalyptic number.

11201222022211 is a deficient number, since it is larger than the sum of its proper divisors (1800810580733).

11201222022211 is a wasteful number, since it uses less digits than its factorization.

11201222022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50782939 (or 50782920 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11201222022211 its reverse (11222022210211), we get a palindrome (22423244232422).

The spelling of 11201222022211 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, twenty-two thousand, two hundred eleven".