Base | Representation |
---|---|
bin | 11110111000011110001… |
… | …111000010010010000011 |
3 | 21111212211020102010220101 |
4 | 132320132033002102003 |
5 | 234232302100232321 |
6 | 4302533535223231 |
7 | 306216421506100 |
oct | 36703617022203 |
9 | 7455736363811 |
10 | 2122221102211 |
11 | 749035538971 |
12 | 2a3373677b17 |
13 | 12518095b0b2 |
14 | 74a04ba7aa7 |
15 | 3a30ce6c791 |
hex | 1ee1e3c2483 |
2122221102211 has 24 divisors (see below), whose sum is σ = 2485305244800. Its totient is φ = 1806852160512.
The previous prime is 2122221102179. The next prime is 2122221102233. The reversal of 2122221102211 is 1122011222212.
It is not a de Polignac number, because 2122221102211 - 25 = 2122221102179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2122221102271) 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, 4689945 + ... + 5122501.
It is an arithmetic number, because the mean of its divisors is an integer number (103554385200).
Almost surely, 22122221102211 is an apocalyptic number.
2122221102211 is a deficient number, since it is larger than the sum of its proper divisors (363084142589).
2122221102211 is a wasteful number, since it uses less digits than its factorization.
2122221102211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433243 (or 433236 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 2122221102211 its reverse (1122011222212), we get a palindrome (3244232324423).
The spelling of 2122221102211 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred two thousand, two hundred eleven".
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