2113101047 has 2 divisors, whose sum is σ = 2113101048. Its totient is φ = 2113101046.

The previous prime is 2113100993. The next prime is 2113101049. The reversal of 2113101047 is 7401013112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113101047 is a prime.

Together with 2113101049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113101049) 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, 1056550523 + 1056550524.

It is an arithmetic number, because the mean of its divisors is an integer number (1056550524).

Almost surely, 2^2113101047 is an apocalyptic number.

2113101047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113101047 is an equidigital number, since it uses as much as digits as its factorization.

2113101047 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 20.

The square root of 2113101047 is about 45968.4788414844. The cubic root of 2113101047 is about 1283.2366507176.

Adding to 2113101047 its reverse (7401013112), we get a palindrome (9514114159).

The spelling of 2113101047 in words is "two billion, one hundred thirteen million, one hundred one thousand, forty-seven".