Base | Representation |
---|---|
bin | 11101011011010100101… |
… | …000110111010011110101 |
3 | 21011022122202000221220200 |
4 | 131123110220313103311 |
5 | 231112432220024341 |
6 | 4144553053151113 |
7 | 266046024223215 |
oct | 35332450672365 |
9 | 7138582027820 |
10 | 2022202111221 |
11 | 70a67a411636 |
12 | 287abb48b499 |
13 | 11890122c5a6 |
14 | 6dc37402245 |
15 | 37907230db6 |
hex | 1d6d4a374f5 |
2022202111221 has 24 divisors (see below), whose sum is σ = 2964669845280. Its totient is φ = 1327961882016.
The previous prime is 2022202111219. The next prime is 2022202111243. The reversal of 2022202111221 is 1221112022202.
It is a happy number.
2022202111221 is a `hidden beast` number, since 202 + 220 + 21 + 1 + 1 + 221 = 666.
It is not a de Polignac number, because 2022202111221 - 21 = 2022202111219 is a prime.
It is a super-3 number, since 3×20222021112213 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 2022202111194 and 2022202111203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2022202111201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21379210 + ... + 21473588.
It is an arithmetic number, because the mean of its divisors is an integer number (123527910220).
Almost surely, 22022202111221 is an apocalyptic number.
It is an amenable number.
2022202111221 is a deficient number, since it is larger than the sum of its proper divisors (942467734059).
2022202111221 is a wasteful number, since it uses less digits than its factorization.
2022202111221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129985 (or 129982 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2022202111221 its reverse (1221112022202), we get a palindrome (3243314133423).
It can be divided in two parts, 202220 and 2111221, that added together give a 4-th power (2313441 = 394).
The spelling of 2022202111221 in words is "two trillion, twenty-two billion, two hundred two million, one hundred eleven thousand, two hundred twenty-one".
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