Base | Representation |
---|---|
bin | 11011110000110011100001… |
… | …111101001011100000001111 |
3 | 121000022202100002000012102022 |
4 | 123300303201331023200033 |
5 | 112001001044011432231 |
6 | 1111404251500120355 |
7 | 34501341415550615 |
oct | 3360634175134017 |
9 | 530282302005368 |
10 | 122101121202191 |
11 | 359a588182697a |
12 | 118400225360bb |
13 | 5319117865b11 |
14 | 2221a2383b6b5 |
15 | e1b1e4ee0c7b |
hex | 6f0ce1f4b80f |
122101121202191 has 2 divisors, whose sum is σ = 122101121202192. Its totient is φ = 122101121202190.
The previous prime is 122101121202163. The next prime is 122101121202197. The reversal of 122101121202191 is 191202121101221.
It is a strong prime.
It is an emirp because it is prime and its reverse (191202121101221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122101121202191 - 218 = 122101120940047 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122101121202191.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122101121202197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050560601095 + 61050560601096.
It is an arithmetic number, because the mean of its divisors is an integer number (61050560601096).
Almost surely, 2122101121202191 is an apocalyptic number.
122101121202191 is a deficient number, since it is larger than the sum of its proper divisors (1).
122101121202191 is an equidigital number, since it uses as much as digits as its factorization.
122101121202191 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 26.
The spelling of 122101121202191 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twenty-one million, two hundred two thousand, one hundred ninety-one".
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