30443221121 has 16 divisors (see below), whose sum is σ = 33446320128. Its totient is φ = 27584409600.

The previous prime is 30443221097. The next prime is 30443221187. The reversal of 30443221121 is 12112234403.

It is a cyclic number.

It is not a de Polignac number, because 30443221121 - 2¹⁰ = 30443220097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30443221621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47945 + ... + 251366.

It is an arithmetic number, because the mean of its divisors is an integer number (2090395008).

Almost surely, 2^30443221121 is an apocalyptic number.

30443221121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30443221121 is a deficient number, since it is larger than the sum of its proper divisors (3003099007).

30443221121 is a wasteful number, since it uses less digits than its factorization.

30443221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299552.

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

Adding to 30443221121 its reverse (12112234403), we get a palindrome (42555455524).

The spelling of 30443221121 in words is "thirty billion, four hundred forty-three million, two hundred twenty-one thousand, one hundred twenty-one".