20110200122189 has 2 divisors, whose sum is σ = 20110200122190. Its totient is φ = 20110200122188.

The previous prime is 20110200122141. The next prime is 20110200122197. The reversal of 20110200122189 is 98122100201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16242979546564 + 3867220575625 = 4030258^2 + 1966525^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110200122189 - 2¹² = 20110200118093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110200122119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055100061094 + 10055100061095.

It is an arithmetic number, because the mean of its divisors is an integer number (10055100061095).

Almost surely, 2^{20110200122189} is an apocalyptic number.

It is an amenable number.

20110200122189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110200122189 is an equidigital number, since it uses as much as digits as its factorization.

20110200122189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 20110200122189 in words is "twenty trillion, one hundred ten billion, two hundred million, one hundred twenty-two thousand, one hundred eighty-nine".