111155722193 has 2 divisors, whose sum is σ = 111155722194. Its totient is φ = 111155722192.

The previous prime is 111155722187. The next prime is 111155722199. The reversal of 111155722193 is 391227551111.

It is a balanced prime because it is at equal distance from previous prime (111155722187) and next prime (111155722199).

It can be written as a sum of positive squares in only one way, i.e., 65159199169 + 45996523024 = 255263^2 + 214468^2 .

It is an emirp because it is prime and its reverse (391227551111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111155722193 - 2¹² = 111155718097 is a prime.

It is not a weakly prime, because it can be changed into another prime (111155722199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55577861096 + 55577861097.

It is an arithmetic number, because the mean of its divisors is an integer number (55577861097).

Almost surely, 2^111155722193 is an apocalyptic number.

It is an amenable number.

111155722193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111155722193 is an equidigital number, since it uses as much as digits as its factorization.

111155722193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 38.

The spelling of 111155722193 in words is "one hundred eleven billion, one hundred fifty-five million, seven hundred twenty-two thousand, one hundred ninety-three".