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121201122041 is a prime number
BaseRepresentation
bin111000011100000100…
…1100101101011111001
3102120211201021221011222
41300320021211223321
53441204441401131
6131402400401425
711520322352636
oct1607011455371
9376751257158
10121201122041
114744596796a
121b5a6016275
13b576cb247c
145c1aa8918d
15324566387b
hex1c38265af9

121201122041 has 2 divisors, whose sum is σ = 121201122042. Its totient is φ = 121201122040.

The previous prime is 121201122011. The next prime is 121201122167. The reversal of 121201122041 is 140221102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73818716416 + 47382405625 = 271696^2 + 217675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121201122041 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600561020 + 60600561021.

It is an arithmetic number, because the mean of its divisors is an integer number (60600561021).

Almost surely, 2121201122041 is an apocalyptic number.

It is an amenable number.

121201122041 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201122041 is an equidigital number, since it uses as much as digits as its factorization.

121201122041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121201122041 its reverse (140221102121), we get a palindrome (261422224162).

The spelling of 121201122041 in words is "one hundred twenty-one billion, two hundred one million, one hundred twenty-two thousand, forty-one".