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121201103087 is a prime number
BaseRepresentation
bin111000011100000100…
…1100001000011101111
3102120211201020222011222
41300320021201003233
53441204440244322
6131402400133555
711520322243451
oct1607011410357
9376751228158
10121201103087
11474459546a9
121b5a60072bb
13b576ca695c
145c1aa822d1
15324565ce42
hex1c382610ef

121201103087 has 2 divisors, whose sum is σ = 121201103088. Its totient is φ = 121201103086.

The previous prime is 121201103081. The next prime is 121201103137. The reversal of 121201103087 is 780301102121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121201103087 - 214 = 121201086703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201103081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600551543 + 60600551544.

It is an arithmetic number, because the mean of its divisors is an integer number (60600551544).

Almost surely, 2121201103087 is an apocalyptic number.

121201103087 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201103087 is an equidigital number, since it uses as much as digits as its factorization.

121201103087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The spelling of 121201103087 in words is "one hundred twenty-one billion, two hundred one million, one hundred three thousand, eighty-seven".