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10201110221 is a prime number
BaseRepresentation
bin10011000000000100…
…01001011011001101
3222022221012002111002
421200002021123031
5131342441011341
64404125110045
7510536002061
oct114002113315
928287162432
1010201110221
114365296105
121b883b8325
13c67572bc3
146cab53aa1
153ea88629b
hex2600896cd

10201110221 has 2 divisors, whose sum is σ = 10201110222. Its totient is φ = 10201110220.

The previous prime is 10201110211. The next prime is 10201110229. The reversal of 10201110221 is 12201110201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6870088996 + 3331021225 = 82886^2 + 57715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201110221 - 210 = 10201109197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201110229) 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, 5100555110 + 5100555111.

It is an arithmetic number, because the mean of its divisors is an integer number (5100555111).

Almost surely, 210201110221 is an apocalyptic number.

It is an amenable number.

10201110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201110221 is an equidigital number, since it uses as much as digits as its factorization.

10201110221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10201110221 its reverse (12201110201), we get a palindrome (22402220422).

The spelling of 10201110221 in words is "ten billion, two hundred one million, one hundred ten thousand, two hundred twenty-one".