30321201121 has 4 divisors (see below), whose sum is σ = 30433087744. Its totient is φ = 30209314500.

The previous prime is 30321201109. The next prime is 30321201199. The reversal of 30321201121 is 12110212303.

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 30321201121 - 2⁵ = 30321201089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321201095 and 30321201104.

It is not an unprimeable number, because it can be changed into a prime (30321201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55942905 + ... + 55943446.

It is an arithmetic number, because the mean of its divisors is an integer number (7608271936).

Almost surely, 2^30321201121 is an apocalyptic number.

It is an amenable number.

30321201121 is a deficient number, since it is larger than the sum of its proper divisors (111886623).

30321201121 is a wasteful number, since it uses less digits than its factorization.

30321201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111886622.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30321201121 its reverse (12110212303), we get a palindrome (42431413424).

The spelling of 30321201121 in words is "thirty billion, three hundred twenty-one million, two hundred one thousand, one hundred twenty-one".