11120211200221 has 8 divisors (see below), whose sum is σ = 11272602010104. Its totient is φ = 10967821989120.

The previous prime is 11120211200213. The next prime is 11120211200227. The reversal of 11120211200221 is 12200211202111.

It can be written as a sum of positive squares in 4 ways, for example, as 189821419225 + 10930389780996 = 435685^2 + 3306114^2 .

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 11120211200221 - 2³ = 11120211200213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120211200195 and 11120211200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120211200227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22654425 + ... + 23140081.

It is an arithmetic number, because the mean of its divisors is an integer number (1409075251263).

Almost surely, 2^{11120211200221} is an apocalyptic number.

It is an amenable number.

11120211200221 is a deficient number, since it is larger than the sum of its proper divisors (152390809883).

11120211200221 is an equidigital number, since it uses as much as digits as its factorization.

11120211200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799391.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11120211200221 its reverse (12200211202111), we get a palindrome (23320422402332).

The spelling of 11120211200221 in words is "eleven trillion, one hundred twenty billion, two hundred eleven million, two hundred thousand, two hundred twenty-one".