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121330201117 is a prime number
BaseRepresentation
bin111000011111111010…
…1111111001000011101
3102121011201011211101111
41300333311333020131
53441441012413432
6131423251142021
711523450456526
oct1607765771035
9377151154344
10121330201117
114750180a994
121b6212a4911
13b597967a18
145c2dc8984d
153251b5e347
hex1c3fd7f21d

121330201117 has 2 divisors, whose sum is σ = 121330201118. Its totient is φ = 121330201116.

The previous prime is 121330201087. The next prime is 121330201123. The reversal of 121330201117 is 711102033121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100683097636 + 20647103481 = 317306^2 + 143691^2 .

It is a cyclic number.

It is not a de Polignac number, because 121330201117 - 231 = 119182717469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121330201147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665100558 + 60665100559.

It is an arithmetic number, because the mean of its divisors is an integer number (60665100559).

Almost surely, 2121330201117 is an apocalyptic number.

It is an amenable number.

121330201117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121330201117 is an equidigital number, since it uses as much as digits as its factorization.

121330201117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 121330201117 its reverse (711102033121), we get a palindrome (832432234238).

The spelling of 121330201117 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred one thousand, one hundred seventeen".