33320230121 has 2 divisors, whose sum is σ = 33320230122. Its totient is φ = 33320230120.

The previous prime is 33320230091. The next prime is 33320230127. The reversal of 33320230121 is 12103202333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33306250000 + 13980121 = 182500^2 + 3739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33320230121 is a prime.

It is a super-2 number, since 2×33320230121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33320230093 and 33320230102.

It is not a weakly prime, because it can be changed into another prime (33320230127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16660115060 + 16660115061.

It is an arithmetic number, because the mean of its divisors is an integer number (16660115061).

Almost surely, 2^33320230121 is an apocalyptic number.

It is an amenable number.

33320230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33320230121 is an equidigital number, since it uses as much as digits as its factorization.

33320230121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33320230121 its reverse (12103202333), we get a palindrome (45423432454).

The spelling of 33320230121 in words is "thirty-three billion, three hundred twenty million, two hundred thirty thousand, one hundred twenty-one".