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121012101001241 is a prime number
BaseRepresentation
bin11011100000111101010011…
…010010110011000000011001
3120212110122101101101000102122
4123200331103102303000121
5111330130240324014431
61105212105225511025
734326556446562202
oct3340752322630031
9525418341330378
10121012101001241
1135615a4226647a
12116a4b57942475
13526a513761478
1421c50346a65a9
15decc0843da7b
hex6e0f534b3019

121012101001241 has 2 divisors, whose sum is σ = 121012101001242. Its totient is φ = 121012101001240.

The previous prime is 121012101001201. The next prime is 121012101001243. The reversal of 121012101001241 is 142100101210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113261422729225 + 7750678272016 = 10642435^2 + 2784004^2 .

It is an emirp because it is prime and its reverse (142100101210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121012101001241 - 26 = 121012101001177 is a prime.

Together with 121012101001243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121012101001243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506050500620 + 60506050500621.

It is an arithmetic number, because the mean of its divisors is an integer number (60506050500621).

Almost surely, 2121012101001241 is an apocalyptic number.

It is an amenable number.

121012101001241 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012101001241 is an equidigital number, since it uses as much as digits as its factorization.

121012101001241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012101001241 its reverse (142100101210121), we get a palindrome (263112202211362).

The spelling of 121012101001241 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, one thousand, two hundred forty-one".