111002121193 has 2 divisors, whose sum is σ = 111002121194. Its totient is φ = 111002121192.

The previous prime is 111002121187. The next prime is 111002121211. The reversal of 111002121193 is 391121200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104098505449 + 6903615744 = 322643^2 + 83088^2 .

It is an emirp because it is prime and its reverse (391121200111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111002121193 - 2⁵ = 111002121161 is a prime.

It is not a weakly prime, because it can be changed into another prime (111002125193) 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, 55501060596 + 55501060597.

It is an arithmetic number, because the mean of its divisors is an integer number (55501060597).

Almost surely, 2^111002121193 is an apocalyptic number.

It is an amenable number.

111002121193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002121193 is an equidigital number, since it uses as much as digits as its factorization.

111002121193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 111002121193 in words is "one hundred eleven billion, two million, one hundred twenty-one thousand, one hundred ninety-three".