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2102242201 is a prime number
BaseRepresentation
bin111110101001101…
…1010101110011001
312102111201222011021
41331103122232121
513301133222301
6544334202441
7103044523003
oct17523325631
95374658137
102102242201
1198972a754
124a8053421
132766c45c7
1415d2b1373
15c485b8a1
hex7d4dab99

2102242201 has 2 divisors, whose sum is σ = 2102242202. Its totient is φ = 2102242200.

The previous prime is 2102242199. The next prime is 2102242223. The reversal of 2102242201 is 1022422012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430654976 + 671587225 = 37824^2 + 25915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102242201 - 21 = 2102242199 is a prime.

Together with 2102242199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2102242231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051121100 + 1051121101.

It is an arithmetic number, because the mean of its divisors is an integer number (1051121101).

Almost surely, 22102242201 is an apocalyptic number.

It is an amenable number.

2102242201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102242201 is an equidigital number, since it uses as much as digits as its factorization.

2102242201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2102242201 is about 45850.2148413723. The cubic root of 2102242201 is about 1281.0347673009.

Adding to 2102242201 its reverse (1022422012), we get a palindrome (3124664213).

It can be divided in two parts, 2 and 102242201, that multiplied together give a palindrome (204484402).

The spelling of 2102242201 in words is "two billion, one hundred two million, two hundred forty-two thousand, two hundred one".