111302020110209 has 2 divisors, whose sum is σ = 111302020110210. Its totient is φ = 111302020110208.

The previous prime is 111302020110199. The next prime is 111302020110373. The reversal of 111302020110209 is 902011020203111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67328835322225 + 43973184787984 = 8205415^2 + 6631228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111302020110209 is a prime.

It is a super-2 number, since 2×111302020110209² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111302020110509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651010055104 + 55651010055105.

It is an arithmetic number, because the mean of its divisors is an integer number (55651010055105).

Almost surely, 2^{111302020110209} is an apocalyptic number.

It is an amenable number.

111302020110209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111302020110209 is an equidigital number, since it uses as much as digits as its factorization.

111302020110209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 111302020110209 in words is "one hundred eleven trillion, three hundred two billion, twenty million, one hundred ten thousand, two hundred nine".