2111300447 has 2 divisors, whose sum is σ = 2111300448. Its totient is φ = 2111300446.

The previous prime is 2111300423. The next prime is 2111300459. The reversal of 2111300447 is 7440031112.

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-2111300447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111300747) 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, 1055650223 + 1055650224.

It is an arithmetic number, because the mean of its divisors is an integer number (1055650224).

Almost surely, 2^2111300447 is an apocalyptic number.

2111300447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111300447 is an equidigital number, since it uses as much as digits as its factorization.

2111300447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2111300447 is about 45948.8895077999. The cubic root of 2111300447 is about 1282.8720597730.

Adding to 2111300447 its reverse (7440031112), we get a palindrome (9551331559).

The spelling of 2111300447 in words is "two billion, one hundred eleven million, three hundred thousand, four hundred forty-seven".