111110211193 has 2 divisors, whose sum is σ = 111110211194. Its totient is φ = 111110211192.

The previous prime is 111110211127. The next prime is 111110211239. The reversal of 111110211193 is 391112011111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109275202624 + 1835008569 = 330568^2 + 42837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110211193 is a prime.

It is not a weakly prime, because it can be changed into another prime (111110221193) 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, 55555105596 + 55555105597.

It is an arithmetic number, because the mean of its divisors is an integer number (55555105597).

Almost surely, 2^111110211193 is an apocalyptic number.

It is an amenable number.

111110211193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110211193 is an equidigital number, since it uses as much as digits as its factorization.

111110211193 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 111110211193 in words is "one hundred eleven billion, one hundred ten million, two hundred eleven thousand, one hundred ninety-three".