11221200110221 has 4 divisors (see below), whose sum is σ = 11222669053600. Its totient is φ = 11219731166844.

The previous prime is 11221200110209. The next prime is 11221200110293. The reversal of 11221200110221 is 12201100212211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11221200110221 - 2⁷ = 11221200110093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221200110195 and 11221200110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221200110321) 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 3 ways as a sum of consecutive naturals, for example, 734460231 + ... + 734475508.

It is an arithmetic number, because the mean of its divisors is an integer number (2805667263400).

Almost surely, 2^{11221200110221} is an apocalyptic number.

It is an amenable number.

11221200110221 is a deficient number, since it is larger than the sum of its proper divisors (1468943379).

11221200110221 is an equidigital number, since it uses as much as digits as its factorization.

11221200110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468943378.

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

Adding to 11221200110221 its reverse (12201100212211), we get a palindrome (23422300322432).

The spelling of 11221200110221 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, one hundred ten thousand, two hundred twenty-one".