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121022012100193 is a prime number
BaseRepresentation
bin11011100001000110100010…
…000010101000111001100001
3120212111120222002212000020121
4123201012202002220321201
5111330311040044201233
61105220424515040241
734330360164536341
oct3341064202507141
9525446862760217
10121022012100193
113561a16887a846
12116a6a62ba0081
13526b432bc2c69
1421c56d4ac6d21
15ded0d85da92d
hex6e11a20a8e61

121022012100193 has 2 divisors, whose sum is σ = 121022012100194. Its totient is φ = 121022012100192.

The previous prime is 121022012100181. The next prime is 121022012100239. The reversal of 121022012100193 is 391001210220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91979742628449 + 29042269471744 = 9590607^2 + 5389088^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022012100193 - 217 = 121022011969121 is a prime.

It is not a weakly prime, because it can be changed into another prime (121022012800193) 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, 60511006050096 + 60511006050097.

It is an arithmetic number, because the mean of its divisors is an integer number (60511006050097).

Almost surely, 2121022012100193 is an apocalyptic number.

It is an amenable number.

121022012100193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022012100193 is an equidigital number, since it uses as much as digits as its factorization.

121022012100193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 121022012100193 in words is "one hundred twenty-one trillion, twenty-two billion, twelve million, one hundred thousand, one hundred ninety-three".