100138218118187 has 2 divisors, whose sum is σ = 100138218118188. Its totient is φ = 100138218118186.

The previous prime is 100138218118151. The next prime is 100138218118333. The reversal of 100138218118187 is 781811812831001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100138218118187 - 2³⁴ = 100121038249003 is a prime.

It is not a weakly prime, because it can be changed into another prime (100138218118787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50069109059093 + 50069109059094.

It is an arithmetic number, because the mean of its divisors is an integer number (50069109059094).

Almost surely, 2^{100138218118187} is an apocalyptic number.

100138218118187 is a deficient number, since it is larger than the sum of its proper divisors (1).

100138218118187 is an equidigital number, since it uses as much as digits as its factorization.

100138218118187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 50.

The spelling of 100138218118187 in words is "one hundred trillion, one hundred thirty-eight billion, two hundred eighteen million, one hundred eighteen thousand, one hundred eighty-seven".