Base | Representation |
---|---|
bin | 11011110000110011100001… |
… | …111101001011011111001001 |
3 | 121000022202100002000012022201 |
4 | 123300303201331023133021 |
5 | 112001001044011431441 |
6 | 1111404251500120201 |
7 | 34501341415550455 |
oct | 3360634175133711 |
9 | 530282302005281 |
10 | 122101121202121 |
11 | 359a5881826916 |
12 | 11840022536061 |
13 | 5319117865a89 |
14 | 2221a2383b665 |
15 | e1b1e4ee0c31 |
hex | 6f0ce1f4b7c9 |
122101121202121 has 8 divisors (see below), whose sum is σ = 125079829638624. Its totient is φ = 119122442875680.
The previous prime is 122101121202103. The next prime is 122101121202163. The reversal of 122101121202121 is 121202121101221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122101121202121 - 25 = 122101121202089 is a prime.
It is a super-2 number, since 2×1221011212021212 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122101121202191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792550 + ... + 15647056.
It is an arithmetic number, because the mean of its divisors is an integer number (15634978704828).
Almost surely, 2122101121202121 is an apocalyptic number.
It is an amenable number.
122101121202121 is a deficient number, since it is larger than the sum of its proper divisors (2978708436503).
122101121202121 is a wasteful number, since it uses less digits than its factorization.
122101121202121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15055031.
The product of its (nonzero) digits is 64, while the sum is 19.
Adding to 122101121202121 its reverse (121202121101221), we get a palindrome (243303242303342).
The spelling of 122101121202121 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-one".
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