100120209499 has 2 divisors, whose sum is σ = 100120209500. Its totient is φ = 100120209498.

The previous prime is 100120209443. The next prime is 100120209517. The reversal of 100120209499 is 994902021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120209499 is a prime.

It is not a weakly prime, because it can be changed into another prime (100120219499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060104749 + 50060104750.

It is an arithmetic number, because the mean of its divisors is an integer number (50060104750).

Almost surely, 2^100120209499 is an apocalyptic number.

100120209499 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120209499 is an equidigital number, since it uses as much as digits as its factorization.

100120209499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 100120209499 in words is "one hundred billion, one hundred twenty million, two hundred nine thousand, four hundred ninety-nine".