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121110120049 is a prime number
BaseRepresentation
bin111000011001010111…
…0011100011001110001
3102120121101001112220211
41300302232130121301
53441013142320144
6131345350104121
711515136015002
oct1606256343161
9376541045824
10121110120049
11473a9561806
121b57b64b041
13b56119c439
145c0c95b1a9
15323c68a034
hex1c32b9c671

121110120049 has 2 divisors, whose sum is σ = 121110120050. Its totient is φ = 121110120048.

The previous prime is 121110120007. The next prime is 121110120091. The reversal of 121110120049 is 940021011121.

It is a balanced prime because it is at equal distance from previous prime (121110120007) and next prime (121110120091).

It can be written as a sum of positive squares in only one way, i.e., 91365943824 + 29744176225 = 302268^2 + 172465^2 .

It is a cyclic number.

It is not a de Polignac number, because 121110120049 - 235 = 86750381681 is a prime.

It is a super-2 number, since 2×1211101200492 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121110123049) 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, 60555060024 + 60555060025.

It is an arithmetic number, because the mean of its divisors is an integer number (60555060025).

Almost surely, 2121110120049 is an apocalyptic number.

It is an amenable number.

121110120049 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110120049 is an equidigital number, since it uses as much as digits as its factorization.

121110120049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121110120049 in words is "one hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, forty-nine".