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121271334133 is a prime number
BaseRepresentation
bin111000011110001010…
…1011011010011110101
3102121000121102002001211
41300330111123103311
53441330430143013
6131413345321421
711522134221625
oct1607425332365
9377017362054
10121271334133
1147481563294
121b605636271
13b5886c66a1
145c26124885
15324b8d223d
hex1c3c55b4f5

121271334133 has 2 divisors, whose sum is σ = 121271334134. Its totient is φ = 121271334132.

The previous prime is 121271334101. The next prime is 121271334139. The reversal of 121271334133 is 331433172121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103106494404 + 18164839729 = 321102^2 + 134777^2 .

It is a cyclic number.

It is not a de Polignac number, because 121271334133 - 25 = 121271334101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121271334095 and 121271334104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121271334139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60635667066 + 60635667067.

It is an arithmetic number, because the mean of its divisors is an integer number (60635667067).

Almost surely, 2121271334133 is an apocalyptic number.

It is an amenable number.

121271334133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121271334133 is an equidigital number, since it uses as much as digits as its factorization.

121271334133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The spelling of 121271334133 in words is "one hundred twenty-one billion, two hundred seventy-one million, three hundred thirty-four thousand, one hundred thirty-three".