111343229 has 2 divisors, whose sum is σ = 111343230. Its totient is φ = 111343228.

The previous prime is 111343201. The next prime is 111343277. The reversal of 111343229 is 922343111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70728100 + 40615129 = 8410^2 + 6373^2 .

It is a cyclic number.

It is not a de Polignac number, because 111343229 - 2¹² = 111339133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111343198 and 111343207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111343279) 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, 55671614 + 55671615.

It is an arithmetic number, because the mean of its divisors is an integer number (55671615).

Almost surely, 2^111343229 is an apocalyptic number.

It is an amenable number.

111343229 is a deficient number, since it is larger than the sum of its proper divisors (1).

111343229 is an equidigital number, since it uses as much as digits as its factorization.

111343229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 111343229 is about 10551.9301078049. The cubic root of 111343229 is about 481.0843958452.

The spelling of 111343229 in words is "one hundred eleven million, three hundred forty-three thousand, two hundred twenty-nine".