111223114217 has 2 divisors, whose sum is σ = 111223114218. Its totient is φ = 111223114216.

The previous prime is 111223114207. The next prime is 111223114273. The reversal of 111223114217 is 712411322111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83897701801 + 27325412416 = 289651^2 + 165304^2 .

It is a cyclic number.

It is not a de Polignac number, because 111223114217 - 2⁶ = 111223114153 is a prime.

It is a super-2 number, since 2×111223114217² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111223114207) 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, 55611557108 + 55611557109.

It is an arithmetic number, because the mean of its divisors is an integer number (55611557109).

Almost surely, 2^111223114217 is an apocalyptic number.

It is an amenable number.

111223114217 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223114217 is an equidigital number, since it uses as much as digits as its factorization.

111223114217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 26.

Adding to 111223114217 its reverse (712411322111), we get a palindrome (823634436328).

The spelling of 111223114217 in words is "one hundred eleven billion, two hundred twenty-three million, one hundred fourteen thousand, two hundred seventeen".