11322230021 has 4 divisors (see below), whose sum is σ = 11353081152. Its totient is φ = 11291378892.

The previous prime is 11322230009. The next prime is 11322230057. The reversal of 11322230021 is 12003222311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12003222311 = 149 ⋅80558539.

It is a cyclic number.

It is not a de Polignac number, because 11322230021 - 2⁶ = 11322229957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15425015 + ... + 15425748.

It is an arithmetic number, because the mean of its divisors is an integer number (2838270288).

Almost surely, 2^11322230021 is an apocalyptic number.

It is an amenable number.

11322230021 is a deficient number, since it is larger than the sum of its proper divisors (30851131).

11322230021 is an equidigital number, since it uses as much as digits as its factorization.

11322230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30851130.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11322230021 its reverse (12003222311), we get a palindrome (23325452332).

The spelling of 11322230021 in words is "eleven billion, three hundred twenty-two million, two hundred thirty thousand, twenty-one".