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121330201087 is a prime number
BaseRepresentation
bin111000011111111010…
…1111111000111111111
3102121011201011211100101
41300333311333013333
53441441012413322
6131423251141531
711523450456454
oct1607765770777
9377151154311
10121330201087
114750180a967
121b6212a48a7
13b5979679c4
145c2dc8982b
153251b5e327
hex1c3fd7f1ff

121330201087 has 2 divisors, whose sum is σ = 121330201088. Its totient is φ = 121330201086.

The previous prime is 121330200947. The next prime is 121330201117. The reversal of 121330201087 is 780102033121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121330201087 - 219 = 121329676799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121330291087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665100543 + 60665100544.

It is an arithmetic number, because the mean of its divisors is an integer number (60665100544).

Almost surely, 2121330201087 is an apocalyptic number.

121330201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

121330201087 is an equidigital number, since it uses as much as digits as its factorization.

121330201087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 121330201087 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred one thousand, eighty-seven".