100111109999939 has 2 divisors, whose sum is σ = 100111109999940. Its totient is φ = 100111109999938.

The previous prime is 100111109999869. The next prime is 100111110000047. The reversal of 100111109999939 is 939999901111001.

It is a weak prime.

It is an emirp because it is prime and its reverse (939999901111001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111109999939 is a prime.

It is not a weakly prime, because it can be changed into another prime (100111109996939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055554999969 + 50055554999970.

It is an arithmetic number, because the mean of its divisors is an integer number (50055554999970).

Almost surely, 2^{100111109999939} is an apocalyptic number.

100111109999939 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111109999939 is an equidigital number, since it uses as much as digits as its factorization.

100111109999939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1594323, while the sum is 62.

The spelling of 100111109999939 in words is "one hundred trillion, one hundred eleven billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred thirty-nine".