20002122110291 has 2 divisors, whose sum is σ = 20002122110292. Its totient is φ = 20002122110290.

The previous prime is 20002122110213. The next prime is 20002122110309. The reversal of 20002122110291 is 19201122120002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002122110291 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002122610291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001061055145 + 10001061055146.

It is an arithmetic number, because the mean of its divisors is an integer number (10001061055146).

Almost surely, 2^{20002122110291} is an apocalyptic number.

20002122110291 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002122110291 is an equidigital number, since it uses as much as digits as its factorization.

20002122110291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 20002122110291 its reverse (19201122120002), we get a palindrome (39203244230293).

The spelling of 20002122110291 in words is "twenty trillion, two billion, one hundred twenty-two million, one hundred ten thousand, two hundred ninety-one".