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2201102161 is a prime number
BaseRepresentation
bin1000001100110010…
…0010011101010001
312200101202120112021
42003030202131101
514001440232121
61002225131441
7105355026316
oct20314423521
95611676467
102201102161
11a2a5126a5
12515189b81
1329102921b
1416c486d0d
15cd388641
hex83322751

2201102161 has 2 divisors, whose sum is σ = 2201102162. Its totient is φ = 2201102160.

The previous prime is 2201102153. The next prime is 2201102173. The reversal of 2201102161 is 1612011022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1925542161 + 275560000 = 43881^2 + 16600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201102161 - 23 = 2201102153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201102131) 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, 1100551080 + 1100551081.

It is an arithmetic number, because the mean of its divisors is an integer number (1100551081).

Almost surely, 22201102161 is an apocalyptic number.

It is an amenable number.

2201102161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201102161 is an equidigital number, since it uses as much as digits as its factorization.

2201102161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2201102161 is about 46915.9052028201. The cubic root of 2201102161 is about 1300.8086016782.

Adding to 2201102161 its reverse (1612011022), we get a palindrome (3813113183).

The spelling of 2201102161 in words is "two billion, two hundred one million, one hundred two thousand, one hundred sixty-one".