11022023243221 has 4 divisors (see below), whose sum is σ = 11145866201100. Its totient is φ = 10898180285344.

The previous prime is 11022023243183. The next prime is 11022023243243. The reversal of 11022023243221 is 12234232022011.

11022023243221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4755081778225 + 6266941464996 = 2180615^2 + 2503386^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022023243221 - 2²⁵ = 11021989688789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022023243521) 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, 61921478806 + ... + 61921478983.

It is an arithmetic number, because the mean of its divisors is an integer number (2786466550275).

Almost surely, 2^{11022023243221} is an apocalyptic number.

It is an amenable number.

11022023243221 is a deficient number, since it is larger than the sum of its proper divisors (123842957879).

11022023243221 is an equidigital number, since it uses as much as digits as its factorization.

11022023243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123842957878.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11022023243221 its reverse (12234232022011), we get a palindrome (23256255265232).

The spelling of 11022023243221 in words is "eleven trillion, twenty-two billion, twenty-three million, two hundred forty-three thousand, two hundred twenty-one".