1110111021193 has 2 divisors, whose sum is σ = 1110111021194. Its totient is φ = 1110111021192.

The previous prime is 1110111021181. The next prime is 1110111021259. The reversal of 1110111021193 is 3911201110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945305063824 + 164805957369 = 972268^2 + 405963^2 .

It is an emirp because it is prime and its reverse (3911201110111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110111021193 - 2⁵ = 1110111021161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110111021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055510596 + 555055510597.

It is an arithmetic number, because the mean of its divisors is an integer number (555055510597).

Almost surely, 2^{1110111021193} is an apocalyptic number.

It is an amenable number.

1110111021193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110111021193 is an equidigital number, since it uses as much as digits as its factorization.

1110111021193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 22.

The spelling of 1110111021193 in words is "one trillion, one hundred ten billion, one hundred eleven million, twenty-one thousand, one hundred ninety-three".