Base | Representation |
---|---|
bin | 10001110010000101100… |
… | …010011110100111100101 |
3 | 11022211020001111212100212 |
4 | 101302011202132213211 |
5 | 130010134321320401 |
6 | 2333214551145205 |
7 | 154200401064602 |
oct | 21620542364745 |
9 | 4284201455325 |
10 | 1222011120101 |
11 | 431285468442 |
12 | 178a01075205 |
13 | 8b309831325 |
14 | 432079616a9 |
15 | 21bc22b3dbb |
hex | 11c8589e9e5 |
1222011120101 has 16 divisors (see below), whose sum is σ = 1237189187520. Its totient is φ = 1206897340800.
The previous prime is 1222011120067. The next prime is 1222011120149. The reversal of 1222011120101 is 1010211102221.
It is a cyclic number.
It is not a de Polignac number, because 1222011120101 - 226 = 1221944011237 is a prime.
It is a super-2 number, since 2×12220111201012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222011120301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68111390 + ... + 68129328.
It is an arithmetic number, because the mean of its divisors is an integer number (77324324220).
Almost surely, 21222011120101 is an apocalyptic number.
It is an amenable number.
1222011120101 is a deficient number, since it is larger than the sum of its proper divisors (15178067419).
1222011120101 is a wasteful number, since it uses less digits than its factorization.
1222011120101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19684.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1222011120101 its reverse (1010211102221), we get a palindrome (2232222222322).
The spelling of 1222011120101 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred twenty thousand, one hundred one".
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