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102201020201 = 728351590621
BaseRepresentation
bin101111100101110100…
…1111100111100101001
3100202210120020202100102
41133023221330330221
53133301430121301
6114541150315145
710245431224010
oct1371351747451
9322716222312
10102201020201
113a3858a2165
1217982ab8ab5
13983980a567
144d374c5a77
1529d25a8b6b
hex17cba7cf29

102201020201 has 8 divisors (see below), whose sum is σ = 117213893184. Its totient is φ = 87291329040.

The previous prime is 102201020153. The next prime is 102201020209. The reversal of 102201020201 is 102020102201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102201020201 - 210 = 102201019177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25793330 + ... + 25797291.

It is an arithmetic number, because the mean of its divisors is an integer number (14651736648).

Almost surely, 2102201020201 is an apocalyptic number.

It is an amenable number.

102201020201 is a deficient number, since it is larger than the sum of its proper divisors (15012872983).

102201020201 is an equidigital number, since it uses as much as digits as its factorization.

102201020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51590911.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102201020201 its reverse (102020102201), we get a palindrome (204221122402).

The spelling of 102201020201 in words is "one hundred two billion, two hundred one million, twenty thousand, two hundred one".

Divisors: 1 7 283 1981 51590621 361134347 14600145743 102201020201