2011110221047 has 2 divisors, whose sum is σ = 2011110221048. Its totient is φ = 2011110221046.

The previous prime is 2011110221009. The next prime is 2011110221051. The reversal of 2011110221047 is 7401220111102.

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-2011110221047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011110224047) 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, 1005555110523 + 1005555110524.

It is an arithmetic number, because the mean of its divisors is an integer number (1005555110524).

Almost surely, 2^{2011110221047} is an apocalyptic number.

2011110221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011110221047 is an equidigital number, since it uses as much as digits as its factorization.

2011110221047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 2011110221047 its reverse (7401220111102), we get a palindrome (9412330332149).

The spelling of 2011110221047 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty-one thousand, forty-seven".