22323042121 has 4 divisors (see below), whose sum is σ = 22798000512. Its totient is φ = 21848083732.

The previous prime is 22323042089. The next prime is 22323042139. The reversal of 22323042121 is 12124032322.

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 22323042121 - 2⁵ = 22323042089 is a prime.

It is a super-3 number, since 3×22323042121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22323042092 and 22323042101.

It is not an unprimeable number, because it can be changed into a prime (22323042151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237479125 + ... + 237479218.

It is an arithmetic number, because the mean of its divisors is an integer number (5699500128).

Almost surely, 2^22323042121 is an apocalyptic number.

It is an amenable number.

22323042121 is a deficient number, since it is larger than the sum of its proper divisors (474958391).

22323042121 is an equidigital number, since it uses as much as digits as its factorization.

22323042121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474958390.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22323042121 its reverse (12124032322), we get a palindrome (34447074443).

The spelling of 22323042121 in words is "twenty-two billion, three hundred twenty-three million, forty-two thousand, one hundred twenty-one".