122101120189 has 2 divisors, whose sum is σ = 122101120190. Its totient is φ = 122101120188.

The previous prime is 122101120187. The next prime is 122101120199. The reversal of 122101120189 is 981021101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119358503289 + 2742616900 = 345483^2 + 52370^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101120189 - 2¹ = 122101120187 is a prime.

Together with 122101120187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122101120187) 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, 61050560094 + 61050560095.

It is an arithmetic number, because the mean of its divisors is an integer number (61050560095).

Almost surely, 2^122101120189 is an apocalyptic number.

It is an amenable number.

122101120189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101120189 is an equidigital number, since it uses as much as digits as its factorization.

122101120189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 122101120189 in words is "one hundred twenty-two billion, one hundred one million, one hundred twenty thousand, one hundred eighty-nine".