30320211121 has 2 divisors, whose sum is σ = 30320211122. Its totient is φ = 30320211120.

The previous prime is 30320211079. The next prime is 30320211133. The reversal of 30320211121 is 12111202303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30317774400 + 2436721 = 174120^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 30320211121 - 2¹⁵ = 30320178353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30320211095 and 30320211104.

It is not a weakly prime, because it can be changed into another prime (30320211821) 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 as a sum of consecutive naturals, namely, 15160105560 + 15160105561.

It is an arithmetic number, because the mean of its divisors is an integer number (15160105561).

Almost surely, 2^30320211121 is an apocalyptic number.

It is an amenable number.

30320211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320211121 is an equidigital number, since it uses as much as digits as its factorization.

30320211121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 30320211121 its reverse (12111202303), we get a palindrome (42431413424).

The spelling of 30320211121 in words is "thirty billion, three hundred twenty million, two hundred eleven thousand, one hundred twenty-one".