Base | Representation |
---|---|
bin | 11011100000111011010110… |
… | …101010010110000010000101 |
3 | 120212110102222122211021011211 |
4 | 123200323112222112002011 |
5 | 111330112000031201041 |
6 | 1105211121532531421 |
7 | 34326453566545651 |
oct | 3340732652260205 |
9 | 525412878737154 |
10 | 121010010022021 |
11 | 35615069a2987a |
12 | 116a4673620b71 |
13 | 526a26c4b1563 |
14 | 21c4cb6ac7a61 |
15 | decb34aa9481 |
hex | 6e0ed6a96085 |
121010010022021 has 8 divisors (see below), whose sum is σ = 122141721455424. Its totient is φ = 119878312973280.
The previous prime is 121010010022019. The next prime is 121010010022049. The reversal of 121010010022021 is 120220010010121.
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 121010010022021 - 21 = 121010010022019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121010010021992 and 121010010022010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121010010022621) 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, 13694296 + ... + 20725678.
It is an arithmetic number, because the mean of its divisors is an integer number (15267715181928).
Almost surely, 2121010010022021 is an apocalyptic number.
It is an amenable number.
121010010022021 is a deficient number, since it is larger than the sum of its proper divisors (1131711433403).
121010010022021 is a wasteful number, since it uses less digits than its factorization.
121010010022021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7192331.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 121010010022021 its reverse (120220010010121), we get a palindrome (241230020032142).
The spelling of 121010010022021 in words is "one hundred twenty-one trillion, ten billion, ten million, twenty-two thousand, twenty-one".
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