Search a number
-
+
110022161 is a prime number
BaseRepresentation
bin1101000111011…
…00111000010001
321200000201000212
412203230320101
5211131202121
614530053505
72504113214
oct643547021
9250021025
10110022161
1157117307
1230a1a295
1319a42492
141087d77b
1599d425b
hex68ece11

110022161 has 2 divisors, whose sum is σ = 110022162. Its totient is φ = 110022160.

The previous prime is 110022139. The next prime is 110022163. The reversal of 110022161 is 161220011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 32035600 = 8831^2 + 5660^2 .

It is a cyclic number.

It is not a de Polignac number, because 110022161 - 210 = 110021137 is a prime.

It is a super-2 number, since 2×1100221612 = 24209751822219842, which contains 22 as substring.

Together with 110022163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110022163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55011080 + 55011081.

It is an arithmetic number, because the mean of its divisors is an integer number (55011081).

Almost surely, 2110022161 is an apocalyptic number.

It is an amenable number.

110022161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110022161 is an equidigital number, since it uses as much as digits as its factorization.

110022161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 110022161 is about 10489.1449127181. The cubic root of 110022161 is about 479.1741601080.

Adding to 110022161 its reverse (161220011), we get a palindrome (271242172).

The spelling of 110022161 in words is "one hundred ten million, twenty-two thousand, one hundred sixty-one".