30221011806833 has 2 divisors, whose sum is σ = 30221011806834. Its totient is φ = 30221011806832.

The previous prime is 30221011806749. The next prime is 30221011806851. The reversal of 30221011806833 is 33860811012203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23748302407729 + 6472709399104 = 4873223^2 + 2544152^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221011806833 - 2²² = 30221007612529 is a prime.

It is not a weakly prime, because it can be changed into another prime (30221011896833) 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, 15110505903416 + 15110505903417.

It is an arithmetic number, because the mean of its divisors is an integer number (15110505903417).

Almost surely, 2^{30221011806833} is an apocalyptic number.

It is an amenable number.

30221011806833 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221011806833 is an equidigital number, since it uses as much as digits as its factorization.

30221011806833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 30221011806833 in words is "thirty trillion, two hundred twenty-one billion, eleven million, eight hundred six thousand, eight hundred thirty-three".