30033310121 has 2 divisors, whose sum is σ = 30033310122. Its totient is φ = 30033310120.

The previous prime is 30033310061. The next prime is 30033310129. The reversal of 30033310121 is 12101333003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29906860096 + 126450025 = 172936^2 + 11245^2 .

It is an emirp because it is prime and its reverse (12101333003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30033310121 is a prime.

It is a super-2 number, since 2×30033310121² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30033310121.

It is not a weakly prime, because it can be changed into another prime (30033310129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016655060 + 15016655061.

It is an arithmetic number, because the mean of its divisors is an integer number (15016655061).

Almost surely, 2^30033310121 is an apocalyptic number.

It is an amenable number.

30033310121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30033310121 is an equidigital number, since it uses as much as digits as its factorization.

30033310121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30033310121 its reverse (12101333003), we get a palindrome (42134643124).

The spelling of 30033310121 in words is "thirty billion, thirty-three million, three hundred ten thousand, one hundred twenty-one".