Base | Representation |
---|---|
bin | 110010010000010010001001… |
… | …011000101011111011001010 |
3 | 1001222120102122221121220221111 |
4 | 302100102021120223323022 |
5 | 212432203131413031442 |
6 | 2102023443230400534 |
7 | 64361156254201105 |
oct | 6220221130537312 |
9 | 1058512587556844 |
10 | 221021322002122 |
11 | 64473686290034 |
12 | 209574b566014a |
13 | 96432b5085845 |
14 | 3c816bbdbb73c |
15 | 1a844124e1b17 |
hex | c9048962beca |
221021322002122 has 8 divisors (see below), whose sum is σ = 331662046558500. Its totient is φ = 110467306482624.
The previous prime is 221021322002119. The next prime is 221021322002141. The reversal of 221021322002122 is 221200223120122.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 220595538346681 + 425783655441 = 14852459^2 + 652521^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 221021322002093 and 221021322002102.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21677252847 + ... + 21677263042.
Almost surely, 2221021322002122 is an apocalyptic number.
221021322002122 is a deficient number, since it is larger than the sum of its proper divisors (110640724556378).
221021322002122 is a wasteful number, since it uses less digits than its factorization.
221021322002122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43354518440.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 221021322002122 its reverse (221200223120122), we get a palindrome (442221545122244).
The spelling of 221021322002122 in words is "two hundred twenty-one trillion, twenty-one billion, three hundred twenty-two million, two thousand, one hundred twenty-two".
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