100020020012189 has 2 divisors, whose sum is σ = 100020020012190. Its totient is φ = 100020020012188.

The previous prime is 100020020012183. The next prime is 100020020012203. The reversal of 100020020012189 is 981210020020001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66782973247225 + 33237046764964 = 8172085^2 + 5765158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100020020012189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100020020012183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010010006094 + 50010010006095.

It is an arithmetic number, because the mean of its divisors is an integer number (50010010006095).

Almost surely, 2^{100020020012189} is an apocalyptic number.

It is an amenable number.

100020020012189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020020012189 is an equidigital number, since it uses as much as digits as its factorization.

100020020012189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 100020020012189 in words is "one hundred trillion, twenty billion, twenty million, twelve thousand, one hundred eighty-nine".