100122202189 has 2 divisors, whose sum is σ = 100122202190. Its totient is φ = 100122202188.

The previous prime is 100122202183. The next prime is 100122202217. The reversal of 100122202189 is 981202221001.

It is an a-pointer prime, because the next prime (100122202217) can be obtained adding 100122202189 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77906299689 + 22215902500 = 279117^2 + 149050^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122202189 - 2¹¹ = 100122200141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122202183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061101094 + 50061101095.

It is an arithmetic number, because the mean of its divisors is an integer number (50061101095).

Almost surely, 2^100122202189 is an apocalyptic number.

It is an amenable number.

100122202189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122202189 is an equidigital number, since it uses as much as digits as its factorization.

100122202189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 100122202189 in words is "one hundred billion, one hundred twenty-two million, two hundred two thousand, one hundred eighty-nine".