20022110001191 has 2 divisors, whose sum is σ = 20022110001192. Its totient is φ = 20022110001190.

The previous prime is 20022110001107. The next prime is 20022110001203. The reversal of 20022110001191 is 19110001122002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022110001191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022110021191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011055000595 + 10011055000596.

It is an arithmetic number, because the mean of its divisors is an integer number (10011055000596).

Almost surely, 2^{20022110001191} is an apocalyptic number.

20022110001191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022110001191 is an equidigital number, since it uses as much as digits as its factorization.

20022110001191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 20022110001191 its reverse (19110001122002), we get a palindrome (39132111123193).

The spelling of 20022110001191 in words is "twenty trillion, twenty-two billion, one hundred ten million, one thousand, one hundred ninety-one".