3033030161221 has 2 divisors, whose sum is σ = 3033030161222. Its totient is φ = 3033030161220.

The previous prime is 3033030161209. The next prime is 3033030161263. The reversal of 3033030161221 is 1221610303303.

3033030161221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585546864225 + 1447483296996 = 1259185^2 + 1203114^2 .

It is a cyclic number.

It is not a de Polignac number, because 3033030161221 - 2¹³ = 3033030153029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3033030161921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516515080610 + 1516515080611.

It is an arithmetic number, because the mean of its divisors is an integer number (1516515080611).

Almost surely, 2^{3033030161221} is an apocalyptic number.

It is an amenable number.

3033030161221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3033030161221 is an equidigital number, since it uses as much as digits as its factorization.

3033030161221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3033030161221 its reverse (1221610303303), we get a palindrome (4254640464524).

The spelling of 3033030161221 in words is "three trillion, thirty-three billion, thirty million, one hundred sixty-one thousand, two hundred twenty-one".