20222003011321 has 4 divisors (see below), whose sum is σ = 20272940047012. Its totient is φ = 20171065975632.

The previous prime is 20222003011277. The next prime is 20222003011369. The reversal of 20222003011321 is 12311030022202.

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 17447629745296 + 2774373266025 = 4177036^2 + 1665645^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222003011321 - 2¹³ = 20222003003129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222003011381) 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, 25468517250 + ... + 25468518043.

It is an arithmetic number, because the mean of its divisors is an integer number (5068235011753).

Almost surely, 2^{20222003011321} is an apocalyptic number.

It is an amenable number.

20222003011321 is a deficient number, since it is larger than the sum of its proper divisors (50937035691).

20222003011321 is an equidigital number, since it uses as much as digits as its factorization.

20222003011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50937035690.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20222003011321 its reverse (12311030022202), we get a palindrome (32533033033523).

The spelling of 20222003011321 in words is "twenty trillion, two hundred twenty-two billion, three million, eleven thousand, three hundred twenty-one".