11112012221047 has 2 divisors, whose sum is σ = 11112012221048. Its totient is φ = 11112012221046.

The previous prime is 11112012221021. The next prime is 11112012221111. The reversal of 11112012221047 is 74012221021111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112012221047 - 2⁷ = 11112012220919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112012228047) 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, 5556006110523 + 5556006110524.

It is an arithmetic number, because the mean of its divisors is an integer number (5556006110524).

Almost surely, 2^{11112012221047} is an apocalyptic number.

11112012221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112012221047 is an equidigital number, since it uses as much as digits as its factorization.

11112012221047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 11112012221047 its reverse (74012221021111), we get a palindrome (85124233242158).

The spelling of 11112012221047 in words is "eleven trillion, one hundred twelve billion, twelve million, two hundred twenty-one thousand, forty-seven".