111222193 has 2 divisors, whose sum is σ = 111222194. Its totient is φ = 111222192.

The previous prime is 111222191. The next prime is 111222229. The reversal of 111222193 is 391222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64272289 + 46949904 = 8017^2 + 6852^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222193 - 2¹ = 111222191 is a prime.

Together with 111222191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111222191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611096 + 55611097.

It is an arithmetic number, because the mean of its divisors is an integer number (55611097).

Almost surely, 2^111222193 is an apocalyptic number.

It is an amenable number.

111222193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222193 is an equidigital number, since it uses as much as digits as its factorization.

111222193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 111222193 is about 10546.1932942650. The cubic root of 111222193 is about 480.9100112167.

The spelling of 111222193 in words is "one hundred eleven million, two hundred twenty-two thousand, one hundred ninety-three".