Base | Representation |
---|---|
bin | 100000110110101… |
… | …1010000001101001 |
3 | 2211211101211211221 |
4 | 1001231122001221 |
5 | 4224210001441 |
6 | 301220422041 |
7 | 36214301443 |
oct | 10155320151 |
9 | 2754354757 |
10 | 1102422121 |
11 | 51631a069 |
12 | 269247921 |
13 | 14751b2a8 |
14 | a65ad493 |
15 | 66bb38d1 |
hex | 41b5a069 |
1102422121 has 2 divisors, whose sum is σ = 1102422122. Its totient is φ = 1102422120.
The previous prime is 1102422109. The next prime is 1102422127. The reversal of 1102422121 is 1212242011.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 628053721 + 474368400 = 25061^2 + 21780^2 .
It is a cyclic number.
It is not a de Polignac number, because 1102422121 - 211 = 1102420073 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1102422095 and 1102422104.
It is not a weakly prime, because it can be changed into another prime (1102422127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551211060 + 551211061.
It is an arithmetic number, because the mean of its divisors is an integer number (551211061).
Almost surely, 21102422121 is an apocalyptic number.
It is an amenable number.
1102422121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1102422121 is an equidigital number, since it uses as much as digits as its factorization.
1102422121 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 1102422121 is about 33202.7426728576. The cubic root of 1102422121 is about 1033.0372289174.
Adding to 1102422121 its reverse (1212242011), we get a palindrome (2314664132).
The spelling of 1102422121 in words is "one billion, one hundred two million, four hundred twenty-two thousand, one hundred twenty-one".
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