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121163101 is a prime number
BaseRepresentation
bin1110011100011…
…00110101011101
322102222201112021
413032030311131
5222004204401
620004540141
73000604123
oct716146535
9272881467
10121163101
11624366a4
12346b1651
131c143457
141213d913
15a9852a1
hex738cd5d

121163101 has 2 divisors, whose sum is σ = 121163102. Its totient is φ = 121163100.

The previous prime is 121163093. The next prime is 121163117. The reversal of 121163101 is 101361121.

It is an a-pointer prime, because the next prime (121163117) can be obtained adding 121163101 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 16080100 = 10251^2 + 4010^2 .

It is a cyclic number.

It is not a de Polignac number, because 121163101 - 23 = 121163093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121163191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60581550 + 60581551.

It is an arithmetic number, because the mean of its divisors is an integer number (60581551).

Almost surely, 2121163101 is an apocalyptic number.

It is an amenable number.

121163101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121163101 is an equidigital number, since it uses as much as digits as its factorization.

121163101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 121163101 is about 11007.4111851970. The cubic root of 121163101 is about 494.8308792043.

The spelling of 121163101 in words is "one hundred twenty-one million, one hundred sixty-three thousand, one hundred one".