30220202191 has 2 divisors, whose sum is σ = 30220202192. Its totient is φ = 30220202190.

The previous prime is 30220202189. The next prime is 30220202209. The reversal of 30220202191 is 19120202203.

It is a weak prime.

It is an emirp because it is prime and its reverse (19120202203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30220202191 - 2¹ = 30220202189 is a prime.

Together with 30220202189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30220202491) 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, 15110101095 + 15110101096.

It is an arithmetic number, because the mean of its divisors is an integer number (15110101096).

Almost surely, 2^30220202191 is an apocalyptic number.

30220202191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220202191 is an equidigital number, since it uses as much as digits as its factorization.

30220202191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30220202191 its reverse (19120202203), we get a palindrome (49340404394).

The spelling of 30220202191 in words is "thirty billion, two hundred twenty million, two hundred two thousand, one hundred ninety-one".