Base | Representation |
---|---|
bin | 111111001111100… |
… | …1101100010010010 |
3 | 12110220010102012020 |
4 | 1332133031202102 |
5 | 13321230023442 |
6 | 550324112310 |
7 | 103405434615 |
oct | 17637154222 |
9 | 5426112166 |
10 | 2122111122 |
11 | 99997054a |
12 | 4b2835696 |
13 | 27a860171 |
14 | 161ba417c |
15 | c64839ec |
hex | 7e7cd892 |
2122111122 has 16 divisors (see below), whose sum is σ = 4493882592. Its totient is φ = 665760320.
The previous prime is 2122111099. The next prime is 2122111129. The reversal of 2122111122 is 2211112212.
It is a super-2 number, since 2×21221111222 = 9006711228232197768, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (2122111129) 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, 10402404 + ... + 10402607.
It is an arithmetic number, because the mean of its divisors is an integer number (280867662).
Almost surely, 22122111122 is an apocalyptic number.
2122111122 is an abundant number, since it is smaller than the sum of its proper divisors (2371771470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122111122 is a wasteful number, since it uses less digits than its factorization.
2122111122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20805033.
The product of its digits is 32, while the sum is 15.
The square root of 2122111122 is about 46066.3773483438. The cubic root of 2122111122 is about 1285.0579335668.
Adding to 2122111122 its reverse (2211112212), we get a palindrome (4333223334).
The spelling of 2122111122 in words is "two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".
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