11122111323047 has 2 divisors, whose sum is σ = 11122111323048. Its totient is φ = 11122111323046.

The previous prime is 11122111322977. The next prime is 11122111323107. The reversal of 11122111323047 is 74032311122111.

It is a strong prime.

It is an emirp because it is prime and its reverse (74032311122111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122111323047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122111326047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561055661523 + 5561055661524.

It is an arithmetic number, because the mean of its divisors is an integer number (5561055661524).

Almost surely, 2^{11122111323047} is an apocalyptic number.

11122111323047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122111323047 is an equidigital number, since it uses as much as digits as its factorization.

11122111323047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 11122111323047 its reverse (74032311122111), we get a palindrome (85154422445158).

The spelling of 11122111323047 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, three hundred twenty-three thousand, forty-seven".