20222112110191 has 2 divisors, whose sum is σ = 20222112110192. Its totient is φ = 20222112110190.

The previous prime is 20222112110147. The next prime is 20222112110237. The reversal of 20222112110191 is 19101121122202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222112110191 - 2¹⁹ = 20222111585903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222112110491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111056055095 + 10111056055096.

It is an arithmetic number, because the mean of its divisors is an integer number (10111056055096).

Almost surely, 2^{20222112110191} is an apocalyptic number.

20222112110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222112110191 is an equidigital number, since it uses as much as digits as its factorization.

20222112110191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 20222112110191 its reverse (19101121122202), we get a palindrome (39323233232393).

The spelling of 20222112110191 in words is "twenty trillion, two hundred twenty-two billion, one hundred twelve million, one hundred ten thousand, one hundred ninety-one".