1000001100047 has 2 divisors, whose sum is σ = 1000001100048. Its totient is φ = 1000001100046.

The previous prime is 1000001099959. The next prime is 1000001100061. The reversal of 1000001100047 is 7400011000001.

It is a happy number.

It is an a-pointer prime, because the next prime (1000001100061) can be obtained adding 1000001100047 to its sum of digits (14).

It is a strong prime.

It is an emirp because it is prime and its reverse (7400011000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001100047 - 2¹⁸ = 1000000837903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001106047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000550023 + 500000550024.

It is an arithmetic number, because the mean of its divisors is an integer number (500000550024).

Almost surely, 2^{1000001100047} is an apocalyptic number.

1000001100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001100047 is an equidigital number, since it uses as much as digits as its factorization.

1000001100047 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 14.

Adding to 1000001100047 its reverse (7400011000001), we get a palindrome (8400012100048).

The spelling of 1000001100047 in words is "one trillion, one million, one hundred thousand, forty-seven".