20022100122109 has 2 divisors, whose sum is σ = 20022100122110. Its totient is φ = 20022100122108.

The previous prime is 20022100122107. The next prime is 20022100122203. The reversal of 20022100122109 is 90122100122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11926510296484 + 8095589825625 = 3453478^2 + 2845275^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022100122109 - 2¹ = 20022100122107 is a prime.

Together with 20022100122107, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20022100122109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022100122107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011050061054 + 10011050061055.

It is an arithmetic number, because the mean of its divisors is an integer number (10011050061055).

Almost surely, 2^{20022100122109} is an apocalyptic number.

It is an amenable number.

20022100122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022100122109 is an equidigital number, since it uses as much as digits as its factorization.

20022100122109 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 22.

The spelling of 20022100122109 in words is "twenty trillion, twenty-two billion, one hundred million, one hundred twenty-two thousand, one hundred nine".