23221122212311 has 4 divisors (see below), whose sum is σ = 23221168041400. Its totient is φ = 23221076383224.

The previous prime is 23221122212251. The next prime is 23221122212317. The reversal of 23221122212311 is 11321222112232.

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

It is a cyclic number.

It is not a de Polignac number, because 23221122212311 - 2⁴¹ = 21022098956759 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 (23221122212317) 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, 22145916 + ... + 23170753.

It is an arithmetic number, because the mean of its divisors is an integer number (5805292010350).

Almost surely, 2^{23221122212311} is an apocalyptic number.

23221122212311 is a deficient number, since it is larger than the sum of its proper divisors (45829089).

23221122212311 is an equidigital number, since it uses as much as digits as its factorization.

23221122212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45829088.

The product of its digits is 1152, while the sum is 25.

Adding to 23221122212311 its reverse (11321222112232), we get a palindrome (34542344324543).

The spelling of 23221122212311 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, three hundred eleven".