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10021201221211 is a prime number
BaseRepresentation
bin1001000111010011111000…
…1000111001011001011011
31022111000110202001212210121
42101310332020321121123
52303141410003034321
633151402024454111
72053002464633665
oct221647610713133
938430422055717
1010021201221211
113213a70923344
12115a21401a337
13578cc266442b
14269058b81535
15125a1b38b441
hex91d3e23965b

10021201221211 has 2 divisors, whose sum is σ = 10021201221212. Its totient is φ = 10021201221210.

The previous prime is 10021201221193. The next prime is 10021201221271. The reversal of 10021201221211 is 11212210212001.

It is a weak prime.

It is an emirp because it is prime and its reverse (11212210212001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021201221211 - 25 = 10021201221179 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021201221271) 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 as a sum of consecutive naturals, namely, 5010600610605 + 5010600610606.

It is an arithmetic number, because the mean of its divisors is an integer number (5010600610606).

Almost surely, 210021201221211 is an apocalyptic number.

10021201221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021201221211 is an equidigital number, since it uses as much as digits as its factorization.

10021201221211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10021201221211 its reverse (11212210212001), we get a palindrome (21233411433212).

The spelling of 10021201221211 in words is "ten trillion, twenty-one billion, two hundred one million, two hundred twenty-one thousand, two hundred eleven".