111303221969 has 2 divisors, whose sum is σ = 111303221970. Its totient is φ = 111303221968.

The previous prime is 111303221959. The next prime is 111303222011. The reversal of 111303221969 is 969122303111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100829746369 + 10473475600 = 317537^2 + 102340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111303221969 is a prime.

It is a super-2 number, since 2×111303221969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111303221929) 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, 55651610984 + 55651610985.

It is an arithmetic number, because the mean of its divisors is an integer number (55651610985).

Almost surely, 2^111303221969 is an apocalyptic number.

It is an amenable number.

111303221969 is a deficient number, since it is larger than the sum of its proper divisors (1).

111303221969 is an equidigital number, since it uses as much as digits as its factorization.

111303221969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 111303221969 in words is "one hundred eleven billion, three hundred three million, two hundred twenty-one thousand, nine hundred sixty-nine".