Base | Representation |
---|---|
bin | 111000010110101111… |
… | …0010111101001111110 |
3 | 102120101020021121200021 |
4 | 1300231132113221332 |
5 | 3440323114121342 |
6 | 131332521522354 |
7 | 11513016125125 |
oct | 1605536275176 |
9 | 376336247607 |
10 | 121022020222 |
11 | 47363859034 |
12 | 1b5560433ba |
13 | b548b6436c |
14 | 5c00d86abc |
15 | 3234a86567 |
hex | 1c2d797a7e |
121022020222 has 8 divisors (see below), whose sum is σ = 192211443936. Its totient is φ = 56951538912.
The previous prime is 121022020199. The next prime is 121022020237. The reversal of 121022020222 is 222020220121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1210220202222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121022020196 and 121022020205.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1779735558 + ... + 1779735625.
It is an arithmetic number, because the mean of its divisors is an integer number (24026430492).
Almost surely, 2121022020222 is an apocalyptic number.
121022020222 is a deficient number, since it is larger than the sum of its proper divisors (71189423714).
121022020222 is a wasteful number, since it uses less digits than its factorization.
121022020222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3559471202.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 121022020222 its reverse (222020220121), we get a palindrome (343042240343).
The spelling of 121022020222 in words is "one hundred twenty-one billion, twenty-two million, twenty thousand, two hundred twenty-two".
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