11210210221 has 8 divisors (see below), whose sum is σ = 12857922560. Its totient is φ = 9574061328.

The previous prime is 11210210213. The next prime is 11210210287. The reversal of 11210210221 is 12201201211.

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 11210210221 - 2³ = 11210210213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210210321) 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, 2888781 + ... + 2892658.

It is an arithmetic number, because the mean of its divisors is an integer number (1607240320).

Almost surely, 2^11210210221 is an apocalyptic number.

It is an amenable number.

11210210221 is a deficient number, since it is larger than the sum of its proper divisors (1647712339).

11210210221 is an equidigital number, since it uses as much as digits as its factorization.

11210210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781723.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11210210221 its reverse (12201201211), we get a palindrome (23411411432).

The spelling of 11210210221 in words is "eleven billion, two hundred ten million, two hundred ten thousand, two hundred twenty-one".