201112222169 has 2 divisors, whose sum is σ = 201112222170. Its totient is φ = 201112222168.

The previous prime is 201112222159. The next prime is 201112222229. The reversal of 201112222169 is 961222211102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121653068944 + 79459153225 = 348788^2 + 281885^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112222169 - 2¹⁶ = 201112156633 is a prime.

It is a super-2 number, since 2×201112222169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201112222159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556111084 + 100556111085.

It is an arithmetic number, because the mean of its divisors is an integer number (100556111085).

Almost surely, 2^201112222169 is an apocalyptic number.

It is an amenable number.

201112222169 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112222169 is an equidigital number, since it uses as much as digits as its factorization.

201112222169 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 201112222169 in words is "two hundred one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred sixty-nine".