100011100111999 has 2 divisors, whose sum is σ = 100011100112000. Its totient is φ = 100011100111998.

The previous prime is 100011100111943. The next prime is 100011100112039. The reversal of 100011100111999 is 999111001110001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100011100111999 - 2²¹ = 100011098014847 is a prime.

It is a super-2 number, since 2×100011100111999² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011100111939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005550055999 + 50005550056000.

It is an arithmetic number, because the mean of its divisors is an integer number (50005550056000).

Almost surely, 2^{100011100111999} is an apocalyptic number.

100011100111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011100111999 is an equidigital number, since it uses as much as digits as its factorization.

100011100111999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 34.

The spelling of 100011100111999 in words is "one hundred trillion, eleven billion, one hundred million, one hundred eleven thousand, nine hundred ninety-nine".