2101030100047 has 2 divisors, whose sum is σ = 2101030100048. Its totient is φ = 2101030100046.

The previous prime is 2101030099991. The next prime is 2101030100069. The reversal of 2101030100047 is 7400010301012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101030100047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101030099997 and 2101030100033.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101030101047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050515050023 + 1050515050024.

It is an arithmetic number, because the mean of its divisors is an integer number (1050515050024).

Almost surely, 2^{2101030100047} is an apocalyptic number.

2101030100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101030100047 is an equidigital number, since it uses as much as digits as its factorization.

2101030100047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 2101030100047 its reverse (7400010301012), we get a palindrome (9501040401059).

The spelling of 2101030100047 in words is "two trillion, one hundred one billion, thirty million, one hundred thousand, forty-seven".