Base | Representation |
---|---|
bin | 11011100010100010101110… |
… | …110101100000101010011001 |
3 | 120212212001111111202201012012 |
4 | 123202202232311200222121 |
5 | 111333421312304311301 |
6 | 1105334120241155305 |
7 | 34340463364434206 |
oct | 3342425665405231 |
9 | 525761444681165 |
10 | 121121011010201 |
11 | 35658150108144 |
12 | 1170209162bb35 |
13 | 527787c1a3357 |
14 | 21ca406bd4cad |
15 | e0097e9caebb |
hex | 6e28aed60a99 |
121121011010201 has 8 divisors (see below), whose sum is σ = 126405504306240. Its totient is φ = 115838047912752.
The previous prime is 121121011010183. The next prime is 121121011010243. The reversal of 121121011010201 is 102010110121121.
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 121121011010201 - 26 = 121121011010137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121121011013201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382387886 + ... + 382704503.
It is an arithmetic number, because the mean of its divisors is an integer number (15800688038280).
Almost surely, 2121121011010201 is an apocalyptic number.
It is an amenable number.
121121011010201 is a deficient number, since it is larger than the sum of its proper divisors (5284493296039).
121121011010201 is an equidigital number, since it uses as much as digits as its factorization.
121121011010201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765099295.
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 121121011010201 its reverse (102010110121121), we get a palindrome (223131121131322).
The spelling of 121121011010201 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, eleven million, ten thousand, two hundred one".
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