100302121189 has 2 divisors, whose sum is σ = 100302121190. Its totient is φ = 100302121188.

The previous prime is 100302121177. The next prime is 100302121211. The reversal of 100302121189 is 981121203001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86089428100 + 14212693089 = 293410^2 + 119217^2 .

It is an emirp because it is prime and its reverse (981121203001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100302121189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100302121169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50151060594 + 50151060595.

It is an arithmetic number, because the mean of its divisors is an integer number (50151060595).

Almost surely, 2^100302121189 is an apocalyptic number.

It is an amenable number.

100302121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100302121189 is an equidigital number, since it uses as much as digits as its factorization.

100302121189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 100302121189 in words is "one hundred billion, three hundred two million, one hundred twenty-one thousand, one hundred eighty-nine".