11112675221 has 2 divisors, whose sum is σ = 11112675222. Its totient is φ = 11112675220.

The previous prime is 11112675169. The next prime is 11112675257. The reversal of 11112675221 is 12257621111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7329072100 + 3783603121 = 85610^2 + 61511^2 .

It is an emirp because it is prime and its reverse (12257621111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11112675221 - 2⁶ = 11112675157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112675281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556337610 + 5556337611.

It is an arithmetic number, because the mean of its divisors is an integer number (5556337611).

Almost surely, 2^11112675221 is an apocalyptic number.

It is an amenable number.

11112675221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112675221 is an equidigital number, since it uses as much as digits as its factorization.

11112675221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 29.

The spelling of 11112675221 in words is "eleven billion, one hundred twelve million, six hundred seventy-five thousand, two hundred twenty-one".