111222080969 has 2 divisors, whose sum is σ = 111222080970. Its totient is φ = 111222080968.

The previous prime is 111222080897. The next prime is 111222081011. The reversal of 111222080969 is 969080222111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71335999744 + 39886081225 = 267088^2 + 199715^2 .

It is an emirp because it is prime and its reverse (969080222111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111222080969 - 2¹⁶ = 111222015433 is a prime.

It is a super-2 number, since 2×111222080969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111222089969) 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, 55611040484 + 55611040485.

It is an arithmetic number, because the mean of its divisors is an integer number (55611040485).

Almost surely, 2^111222080969 is an apocalyptic number.

It is an amenable number.

111222080969 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222080969 is an equidigital number, since it uses as much as digits as its factorization.

111222080969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 111222080969 in words is "one hundred eleven billion, two hundred twenty-two million, eighty thousand, nine hundred sixty-nine".