100111011080999 has 2 divisors, whose sum is σ = 100111011081000. Its totient is φ = 100111011080998.

The previous prime is 100111011080963. The next prime is 100111011081023. The reversal of 100111011080999 is 999080110111001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111011080999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111011080099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055505540499 + 50055505540500.

It is an arithmetic number, because the mean of its divisors is an integer number (50055505540500).

Almost surely, 2^{100111011080999} is an apocalyptic number.

100111011080999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111011080999 is an equidigital number, since it uses as much as digits as its factorization.

100111011080999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 41.

The spelling of 100111011080999 in words is "one hundred trillion, one hundred eleven billion, eleven million, eighty thousand, nine hundred ninety-nine".