222111010169 has 2 divisors, whose sum is σ = 222111010170. Its totient is φ = 222111010168.

The previous prime is 222111010159. The next prime is 222111010217. The reversal of 222111010169 is 961010111222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179278568569 + 42832441600 = 423413^2 + 206960^2 .

It is a cyclic number.

It is not a de Polignac number, because 222111010169 - 2²⁸ = 221842574713 is a prime.

It is a super-2 number, since 2×222111010169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222111010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055505084 + 111055505085.

It is an arithmetic number, because the mean of its divisors is an integer number (111055505085).

Almost surely, 2^222111010169 is an apocalyptic number.

It is an amenable number.

222111010169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111010169 is an equidigital number, since it uses as much as digits as its factorization.

222111010169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 222111010169 in words is "two hundred twenty-two billion, one hundred eleven million, ten thousand, one hundred sixty-nine".