Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …001011000111010000101 |
3 | 11022211110022122212000012 |
4 | 101302022321120322011 |
5 | 130010330324341401 |
6 | 2333231522000005 |
7 | 154202542130444 |
oct | 21621271307205 |
9 | 4284408585005 |
10 | 1222101012101 |
11 | 431321185652 |
12 | 178a271a6005 |
13 | 8b322346068 |
14 | 43215880d5b |
15 | 21bca11d8bb |
hex | 11c8ae58e85 |
1222101012101 has 4 divisors (see below), whose sum is σ = 1226005488492. Its totient is φ = 1218196535712.
The previous prime is 1222101012017. The next prime is 1222101012103. The reversal of 1222101012101 is 1012101012221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 113767917025 + 1108333095076 = 337295^2 + 1052774^2 .
It is a cyclic number.
It is not a de Polignac number, because 1222101012101 - 210 = 1222101011077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222101012103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952237726 + ... + 1952238351.
It is an arithmetic number, because the mean of its divisors is an integer number (306501372123).
Almost surely, 21222101012101 is an apocalyptic number.
It is an amenable number.
1222101012101 is a deficient number, since it is larger than the sum of its proper divisors (3904476391).
1222101012101 is an equidigital number, since it uses as much as digits as its factorization.
1222101012101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3904476390.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1222101012101 its reverse (1012101012221), we get a palindrome (2234202024322).
It can be divided in two parts, 122210 and 1012101, that added together give a palindrome (1134311).
The spelling of 1222101012101 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, one hundred one".
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