22143303121 has 4 divisors (see below), whose sum is σ = 22302607600. Its totient is φ = 21983998644.

The previous prime is 22143303101. The next prime is 22143303167. The reversal of 22143303121 is 12130334122.

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.

It is a cyclic number.

It is not a de Polignac number, because 22143303121 - 2⁵ = 22143303089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22143303092 and 22143303101.

It is not an unprimeable number, because it can be changed into a prime (22143303101) 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, 79652031 + ... + 79652308.

It is an arithmetic number, because the mean of its divisors is an integer number (5575651900).

Almost surely, 2^22143303121 is an apocalyptic number.

It is an amenable number.

22143303121 is a deficient number, since it is larger than the sum of its proper divisors (159304479).

22143303121 is a wasteful number, since it uses less digits than its factorization.

22143303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159304478.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22143303121 its reverse (12130334122), we get a palindrome (34273637243).

The spelling of 22143303121 in words is "twenty-two billion, one hundred forty-three million, three hundred three thousand, one hundred twenty-one".