221220200111069 has 2 divisors, whose sum is σ = 221220200111070. Its totient is φ = 221220200111068.

The previous prime is 221220200111011. The next prime is 221220200111129. The reversal of 221220200111069 is 960111002022122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204702982428025 + 16517217683044 = 14307445^2 + 4064138^2 .

It is a cyclic number.

It is not a de Polignac number, because 221220200111069 - 2⁸ = 221220200110813 is a prime.

It is a super-2 number, since 2×221220200111069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221220200111569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610100055534 + 110610100055535.

It is an arithmetic number, because the mean of its divisors is an integer number (110610100055535).

Almost surely, 2^{221220200111069} is an apocalyptic number.

It is an amenable number.

221220200111069 is a deficient number, since it is larger than the sum of its proper divisors (1).

221220200111069 is an equidigital number, since it uses as much as digits as its factorization.

221220200111069 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 29.

The spelling of 221220200111069 in words is "two hundred twenty-one trillion, two hundred twenty billion, two hundred million, one hundred eleven thousand, sixty-nine".