111020230193 has 2 divisors, whose sum is σ = 111020230194. Its totient is φ = 111020230192.

The previous prime is 111020230127. The next prime is 111020230199. The reversal of 111020230193 is 391032020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110750515264 + 269714929 = 332792^2 + 16423^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020230193 - 2¹⁰ = 111020229169 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020230199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510115096 + 55510115097.

It is an arithmetic number, because the mean of its divisors is an integer number (55510115097).

Almost surely, 2^111020230193 is an apocalyptic number.

It is an amenable number.

111020230193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020230193 is an equidigital number, since it uses as much as digits as its factorization.

111020230193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 111020230193 in words is "one hundred eleven billion, twenty million, two hundred thirty thousand, one hundred ninety-three".