111221022211069 has 2 divisors, whose sum is σ = 111221022211070. Its totient is φ = 111221022211068.

The previous prime is 111221022211037. The next prime is 111221022211133. The reversal of 111221022211069 is 960112220122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100871128945444 + 10349893265625 = 10043462^2 + 3217125^2 .

It is a cyclic number.

It is not a de Polignac number, because 111221022211069 - 2⁵ = 111221022211037 is a prime.

It is a super-2 number, since 2×111221022211069² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111221022211069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221022211969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610511105534 + 55610511105535.

It is an arithmetic number, because the mean of its divisors is an integer number (55610511105535).

Almost surely, 2^{111221022211069} is an apocalyptic number.

It is an amenable number.

111221022211069 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221022211069 is an equidigital number, since it uses as much as digits as its factorization.

111221022211069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 111221022211069 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty-two million, two hundred eleven thousand, sixty-nine".