11222200210221 has 64 divisors (see below), whose sum is σ = 22322325258240. Its totient is φ = 5381274813120.

The previous prime is 11222200210211. The next prime is 11222200210237. The reversal of 11222200210221 is 12201200222211.

It is a happy number.

11222200210221 is a `hidden beast` number, since 1 + 1 + 222 + 200 + 21 + 0 + 221 = 666.

It is not a de Polignac number, because 11222200210221 - 2¹⁷ = 11222200079149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222200210194 and 11222200210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222200210211) 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 63 ways as a sum of consecutive naturals, for example, 207583885 + ... + 207637938.

It is an arithmetic number, because the mean of its divisors is an integer number (348786332160).

Almost surely, 2^{11222200210221} is an apocalyptic number.

11222200210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222200210221 is a deficient number, since it is larger than the sum of its proper divisors (11100125048019).

11222200210221 is a wasteful number, since it uses less digits than its factorization.

11222200210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415221863 (or 415221857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222200210221 its reverse (12201200222211), we get a palindrome (23423400432432).

The spelling of 11222200210221 in words is "eleven trillion, two hundred twenty-two billion, two hundred million, two hundred ten thousand, two hundred twenty-one".