30233221121 has 4 divisors (see below), whose sum is σ = 30305377200. Its totient is φ = 30161065044.

The previous prime is 30233221111. The next prime is 30233221129. The reversal of 30233221121 is 12112233203.

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 30233221121 - 2¹⁴ = 30233204737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30233221093 and 30233221102.

It is not an unprimeable number, because it can be changed into a prime (30233221129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36077411 + ... + 36078248.

It is an arithmetic number, because the mean of its divisors is an integer number (7576344300).

Almost surely, 2^30233221121 is an apocalyptic number.

It is an amenable number.

30233221121 is a deficient number, since it is larger than the sum of its proper divisors (72156079).

30233221121 is an equidigital number, since it uses as much as digits as its factorization.

30233221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72156078.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30233221121 its reverse (12112233203), we get a palindrome (42345454324).

The spelling of 30233221121 in words is "thirty billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-one".