111113030209 has 2 divisors, whose sum is σ = 111113030210. Its totient is φ = 111113030208.

The previous prime is 111113030201. The next prime is 111113030243. The reversal of 111113030209 is 902030311111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60624288400 + 50488741809 = 246220^2 + 224697^2 .

It is an emirp because it is prime and its reverse (902030311111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111113030209 - 2³ = 111113030201 is a prime.

It is a super-2 number, since 2×111113030209² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111113030209.

It is not a weakly prime, because it can be changed into another prime (111113030201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556515104 + 55556515105.

It is an arithmetic number, because the mean of its divisors is an integer number (55556515105).

Almost surely, 2^111113030209 is an apocalyptic number.

It is an amenable number.

111113030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113030209 is an equidigital number, since it uses as much as digits as its factorization.

111113030209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 111113030209 in words is "one hundred eleven billion, one hundred thirteen million, thirty thousand, two hundred nine".