100133001999991 has 2 divisors, whose sum is σ = 100133001999992. Its totient is φ = 100133001999990.

The previous prime is 100133001999977. The next prime is 100133002000033. The reversal of 100133001999991 is 199999100331001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100133001999991 - 2⁹ = 100133001999479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100133001999911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50066500999995 + 50066500999996.

It is an arithmetic number, because the mean of its divisors is an integer number (50066500999996).

Almost surely, 2^{100133001999991} is an apocalyptic number.

100133001999991 is a deficient number, since it is larger than the sum of its proper divisors (1).

100133001999991 is an equidigital number, since it uses as much as digits as its factorization.

100133001999991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 531441, while the sum is 55.

The spelling of 100133001999991 in words is "one hundred trillion, one hundred thirty-three billion, one million, nine hundred ninety-nine thousand, nine hundred ninety-one".