30221010191 has 2 divisors, whose sum is σ = 30221010192. Its totient is φ = 30221010190.

The previous prime is 30221010173. The next prime is 30221010203. The reversal of 30221010191 is 19101012203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30221010191 - 2²² = 30216815887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221010991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110505095 + 15110505096.

It is an arithmetic number, because the mean of its divisors is an integer number (15110505096).

Almost surely, 2^30221010191 is an apocalyptic number.

30221010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221010191 is an equidigital number, since it uses as much as digits as its factorization.

30221010191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 30221010191 its reverse (19101012203), we get a palindrome (49322022394).

The spelling of 30221010191 in words is "thirty billion, two hundred twenty-one million, ten thousand, one hundred ninety-one".