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120201110201281 is a prime number
BaseRepresentation
bin11011010101001010000000…
…011110011010001111000001
3120202121010002001002210021211
4123111022000132122033001
5111223333333202420111
61103351343330250121
734214146364532454
oct3325120036321701
9522533061083254
10120201110201281
113533300608802a
1211593944726941
13520bbba75bb85
142197a9c78749b
15dd6a902c8521
hex6d528079a3c1

120201110201281 has 2 divisors, whose sum is σ = 120201110201282. Its totient is φ = 120201110201280.

The previous prime is 120201110201177. The next prime is 120201110201287. The reversal of 120201110201281 is 182102011102021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116367675138225 + 3833435063056 = 10787385^2 + 1957916^2 .

It is an emirp because it is prime and its reverse (182102011102021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120201110201281 is a prime.

It is a super-2 number, since 2×1202011102012812 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120201110201287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100555100640 + 60100555100641.

It is an arithmetic number, because the mean of its divisors is an integer number (60100555100641).

Almost surely, 2120201110201281 is an apocalyptic number.

It is an amenable number.

120201110201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201110201281 is an equidigital number, since it uses as much as digits as its factorization.

120201110201281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 22.

The spelling of 120201110201281 in words is "one hundred twenty trillion, two hundred one billion, one hundred ten million, two hundred one thousand, two hundred eighty-one".