Base | Representation |
---|---|
bin | 11011100010100011110110… |
… | …011011101110101000000001 |
3 | 120212212011121020001001012010 |
4 | 123202203312123232220001 |
5 | 111333431242311224301 |
6 | 1105334435351123133 |
7 | 34340535221454015 |
oct | 3342436633565001 |
9 | 525764536031163 |
10 | 121122212211201 |
11 | 35658707164243 |
12 | 117023679734a9 |
13 | 5277a10cc8386 |
14 | 21ca4bc558545 |
15 | e00a001a25d6 |
hex | 6e28f66eea01 |
121122212211201 has 8 divisors (see below), whose sum is σ = 161625583420000. Its totient is φ = 80683491238272.
The previous prime is 121122212211199. The next prime is 121122212211251. The reversal of 121122212211201 is 102112212221121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121122212211201 - 21 = 121122212211199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121122212211251) 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, 16162554595 + ... + 16162562088.
It is an arithmetic number, because the mean of its divisors is an integer number (20203197927500).
Almost surely, 2121122212211201 is an apocalyptic number.
It is an amenable number.
121122212211201 is a deficient number, since it is larger than the sum of its proper divisors (40503371208799).
121122212211201 is a wasteful number, since it uses less digits than its factorization.
121122212211201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32325117935.
The product of its (nonzero) digits is 128, while the sum is 21.
Adding to 121122212211201 its reverse (102112212221121), we get a palindrome (223234424432322).
The spelling of 121122212211201 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, two hundred one".
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