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10212121207201 is a prime number
BaseRepresentation
bin1001010010011011000111…
…0110110110000110100001
31100011021021021201001200211
42110212301312312012201
52314303411012112301
633415214514414121
72102541612014644
oct224466166660641
940137237631624
1010212121207201
113287a33212631
12118b216891341
13590cca769744
142743aad7da5b
1512a9925cb051
hex949b1db61a1

10212121207201 has 2 divisors, whose sum is σ = 10212121207202. Its totient is φ = 10212121207200.

The previous prime is 10212121207151. The next prime is 10212121207243. The reversal of 10212121207201 is 10270212121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9659514816576 + 552606390625 = 3107976^2 + 743375^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212121207201 - 27 = 10212121207073 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212121247201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106060603600 + 5106060603601.

It is an arithmetic number, because the mean of its divisors is an integer number (5106060603601).

Almost surely, 210212121207201 is an apocalyptic number.

It is an amenable number.

10212121207201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212121207201 is an equidigital number, since it uses as much as digits as its factorization.

10212121207201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 10212121207201 its reverse (10270212121201), we get a palindrome (20482333328402).

The spelling of 10212121207201 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, two hundred seven thousand, two hundred one".