22020211221323 has 4 divisors (see below), whose sum is σ = 25165955681520. Its totient is φ = 18874466761128.

The previous prime is 22020211221319. The next prime is 22020211221329. The reversal of 22020211221323 is 32312211202022.

It is a happy number.

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 22020211221323 - 2² = 22020211221319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020211221329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572872230088 + ... + 1572872230101.

It is an arithmetic number, because the mean of its divisors is an integer number (6291488920380).

Almost surely, 2^{22020211221323} is an apocalyptic number.

22020211221323 is a deficient number, since it is larger than the sum of its proper divisors (3145744460197).

22020211221323 is an equidigital number, since it uses as much as digits as its factorization.

22020211221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145744460196.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22020211221323 its reverse (32312211202022), we get a palindrome (54332422423345).

The spelling of 22020211221323 in words is "twenty-two trillion, twenty billion, two hundred eleven million, two hundred twenty-one thousand, three hundred twenty-three".