111329993 has 2 divisors, whose sum is σ = 111329994. Its totient is φ = 111329992.

The previous prime is 111329989. The next prime is 111330013. The reversal of 111329993 is 399923111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70778569 + 40551424 = 8413^2 + 6368^2 .

It is a cyclic number.

It is not a de Polignac number, because 111329993 - 2² = 111329989 is a prime.

It is not a weakly prime, because it can be changed into another prime (111329903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55664996 + 55664997.

It is an arithmetic number, because the mean of its divisors is an integer number (55664997).

Almost surely, 2^111329993 is an apocalyptic number.

It is an amenable number.

111329993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111329993 is an equidigital number, since it uses as much as digits as its factorization.

111329993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 38.

The square root of 111329993 is about 10551.3029053288. The cubic root of 111329993 is about 481.0653320145.

The spelling of 111329993 in words is "one hundred eleven million, three hundred twenty-nine thousand, nine hundred ninety-three".