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1102332221 is a prime number
BaseRepresentation
bin100000110110100…
…0100000100111101
32211211020021112022
41001231010010331
54224144112341
6301214445525
736213445364
oct10155040475
92754207468
101102332221
11516268571
122692038a5
131474b93b3
14a65887db
1566b96e4b
hex41b4413d

1102332221 has 2 divisors, whose sum is σ = 1102332222. Its totient is φ = 1102332220.

The previous prime is 1102332199. The next prime is 1102332233. The reversal of 1102332221 is 1222332011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093029721 + 9302500 = 33061^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102332221 - 218 = 1102070077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102332221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102334221) 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, 551166110 + 551166111.

It is an arithmetic number, because the mean of its divisors is an integer number (551166111).

Almost surely, 21102332221 is an apocalyptic number.

It is an amenable number.

1102332221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102332221 is an equidigital number, since it uses as much as digits as its factorization.

1102332221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1102332221 is about 33201.3888414325. The cubic root of 1102332221 is about 1033.0091475471.

Adding to 1102332221 its reverse (1222332011), we get a palindrome (2324664232).

The spelling of 1102332221 in words is "one billion, one hundred two million, three hundred thirty-two thousand, two hundred twenty-one".