30221023212091 has 2 divisors, whose sum is σ = 30221023212092. Its totient is φ = 30221023212090.

The previous prime is 30221023212077. The next prime is 30221023212179. The reversal of 30221023212091 is 19021232012203.

It is a weak prime.

It is an emirp because it is prime and its reverse (19021232012203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30221023212091 - 2⁹ = 30221023211579 is a prime.

It is not a weakly prime, because it can be changed into another prime (30221023212071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110511606045 + 15110511606046.

It is an arithmetic number, because the mean of its divisors is an integer number (15110511606046).

Almost surely, 2^{30221023212091} is an apocalyptic number.

30221023212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221023212091 is an equidigital number, since it uses as much as digits as its factorization.

30221023212091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 30221023212091 its reverse (19021232012203), we get a palindrome (49242255224294).

The spelling of 30221023212091 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, two hundred twelve thousand, ninety-one".