100111000100047 has 2 divisors, whose sum is σ = 100111000100048. Its totient is φ = 100111000100046.

The previous prime is 100111000099937. The next prime is 100111000100051. The reversal of 100111000100047 is 740001000111001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (740001000111001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100111000100047 - 2³⁵ = 100076640361679 is a prime.

It is a super-2 number, since 2×100111000100047² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100111000100047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111000100057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055500050023 + 50055500050024.

It is an arithmetic number, because the mean of its divisors is an integer number (50055500050024).

Almost surely, 2^{100111000100047} is an apocalyptic number.

100111000100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111000100047 is an equidigital number, since it uses as much as digits as its factorization.

100111000100047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 100111000100047 its reverse (740001000111001), we get a palindrome (840112000211048).

The spelling of 100111000100047 in words is "one hundred trillion, one hundred eleven billion, one hundred thousand, forty-seven".