30221221027 has 2 divisors, whose sum is σ = 30221221028. Its totient is φ = 30221221026.

The previous prime is 30221220983. The next prime is 30221221139. The reversal of 30221221027 is 72012212203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30221221027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30221220989 and 30221221007.

It is not a weakly prime, because it can be changed into another prime (30221224027) 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, 15110610513 + 15110610514.

It is an arithmetic number, because the mean of its divisors is an integer number (15110610514).

Almost surely, 2^30221221027 is an apocalyptic number.

30221221027 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221221027 is an equidigital number, since it uses as much as digits as its factorization.

30221221027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The spelling of 30221221027 in words is "thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-seven".