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103201062221 is a prime number
BaseRepresentation
bin110000000011101000…
…0110011110101001101
3100212101021000011002202
41200013100303311031
53142323432442341
6115224312531245
710312263361265
oct1400720636515
9325337004082
10103201062221
113a849344574
12180019b0b25
139968a608ba
144dd02447a5
152a4029779b
hex1807433d4d

103201062221 has 2 divisors, whose sum is σ = 103201062222. Its totient is φ = 103201062220.

The previous prime is 103201062197. The next prime is 103201062241. The reversal of 103201062221 is 122260102301.

It is an a-pointer prime, because the next prime (103201062241) can be obtained adding 103201062221 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93321696196 + 9879366025 = 305486^2 + 99395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103201062221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103201062193 and 103201062202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103201062241) 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, 51600531110 + 51600531111.

It is an arithmetic number, because the mean of its divisors is an integer number (51600531111).

Almost surely, 2103201062221 is an apocalyptic number.

It is an amenable number.

103201062221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201062221 is an equidigital number, since it uses as much as digits as its factorization.

103201062221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103201062221 its reverse (122260102301), we get a palindrome (225461164522).

The spelling of 103201062221 in words is "one hundred three billion, two hundred one million, sixty-two thousand, two hundred twenty-one".