111222110669 has 2 divisors, whose sum is σ = 111222110670. Its totient is φ = 111222110668.

The previous prime is 111222110647. The next prime is 111222110711. The reversal of 111222110669 is 966011222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67476296644 + 43745814025 = 259762^2 + 209155^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222110669 - 2¹⁶ = 111222045133 is a prime.

It is a super-2 number, since 2×111222110669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111222110639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611055334 + 55611055335.

It is an arithmetic number, because the mean of its divisors is an integer number (55611055335).

Almost surely, 2^111222110669 is an apocalyptic number.

It is an amenable number.

111222110669 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222110669 is an equidigital number, since it uses as much as digits as its factorization.

111222110669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 111222110669 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, six hundred sixty-nine".