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110223110161 is a prime number
BaseRepresentation
bin110011010100111001…
…1110011000000010001
3101112111122020010222101
41212221303303000101
53301214104011121
6122345155440401
710651300656253
oct1465163630021
9345448203871
10110223110161
114282208807a
12194415b6101
13a5177b6158
145498a9dcd3
152d019b9491
hex19a9cf3011

110223110161 has 2 divisors, whose sum is σ = 110223110162. Its totient is φ = 110223110160.

The previous prime is 110223110143. The next prime is 110223110189. The reversal of 110223110161 is 161011322011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96780099025 + 13443011136 = 311095^2 + 115944^2 .

It is an emirp because it is prime and its reverse (161011322011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110223110161 - 211 = 110223108113 is a prime.

It is a super-3 number, since 3×1102231101613 (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (110223110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55111555080 + 55111555081.

It is an arithmetic number, because the mean of its divisors is an integer number (55111555081).

Almost surely, 2110223110161 is an apocalyptic number.

It is an amenable number.

110223110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110223110161 is an equidigital number, since it uses as much as digits as its factorization.

110223110161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 110223110161 its reverse (161011322011), we get a palindrome (271234432172).

The spelling of 110223110161 in words is "one hundred ten billion, two hundred twenty-three million, one hundred ten thousand, one hundred sixty-one".