11322210221 has 4 divisors (see below), whose sum is σ = 12939668832. Its totient is φ = 9704751612.

The previous prime is 11322210169. The next prime is 11322210287. The reversal of 11322210221 is 12201222311.

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 11322210221 - 2³⁰ = 10248468397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11322210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322210521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808729295 + ... + 808729308.

It is an arithmetic number, because the mean of its divisors is an integer number (3234917208).

Almost surely, 2^11322210221 is an apocalyptic number.

It is an amenable number.

11322210221 is a deficient number, since it is larger than the sum of its proper divisors (1617458611).

11322210221 is an equidigital number, since it uses as much as digits as its factorization.

11322210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617458610.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11322210221 its reverse (12201222311), we get a palindrome (23523432532).

The spelling of 11322210221 in words is "eleven billion, three hundred twenty-two million, two hundred ten thousand, two hundred twenty-one".