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121101110201 is a prime number
BaseRepresentation
bin111000011001000110…
…0000100101110111001
3102120120202002210201202
41300302030010232321
53441003341011301
6131344425023545
711514666311141
oct1606214045671
9376522083652
10121101110201
11473a4468555
121b578624bb5
13b55c366476
145c0b693921
15323b9aa66b
hex1c32304bb9

121101110201 has 2 divisors, whose sum is σ = 121101110202. Its totient is φ = 121101110200.

The previous prime is 121101110173. The next prime is 121101110279. The reversal of 121101110201 is 102011101121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119491896976 + 1609213225 = 345676^2 + 40115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121101110201 is a prime.

It is a super-3 number, since 3×1211011102013 (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (121101110281) 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, 60550555100 + 60550555101.

It is an arithmetic number, because the mean of its divisors is an integer number (60550555101).

Almost surely, 2121101110201 is an apocalyptic number.

It is an amenable number.

121101110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101110201 is an equidigital number, since it uses as much as digits as its factorization.

121101110201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121101110201 its reverse (102011101121), we get a palindrome (223112211322).

The spelling of 121101110201 in words is "one hundred twenty-one billion, one hundred one million, one hundred ten thousand, two hundred one".