101100111111047 has 2 divisors, whose sum is σ = 101100111111048. Its totient is φ = 101100111111046.

The previous prime is 101100111111011. The next prime is 101100111111149. The reversal of 101100111111047 is 740111111001101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101100111111047 - 2¹⁸ = 101100110848903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101100111141047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550055555523 + 50550055555524.

It is an arithmetic number, because the mean of its divisors is an integer number (50550055555524).

Almost surely, 2^{101100111111047} is an apocalyptic number.

101100111111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100111111047 is an equidigital number, since it uses as much as digits as its factorization.

101100111111047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 20.

Adding to 101100111111047 its reverse (740111111001101), we get a palindrome (841211222112148).

The spelling of 101100111111047 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, one hundred eleven thousand, forty-seven".