Base | Representation |
---|---|
bin | 111000111001111000… |
… | …0001101011110001101 |
3 | 102200102101221012002221 |
4 | 1301303300031132031 |
5 | 4000231440232341 |
6 | 132045521415341 |
7 | 11554154142022 |
oct | 1616360153615 |
9 | 380371835087 |
10 | 122201102221 |
11 | 47909377870 |
12 | 1b824a9a551 |
13 | b6a6213613 |
14 | 5cb37cd549 |
15 | 32a333ded1 |
hex | 1c73c0d78d |
122201102221 has 16 divisors (see below), whose sum is σ = 140560257600. Its totient is φ = 105069744000.
The previous prime is 122201102189. The next prime is 122201102263.
It is a happy number.
122201102221 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 122201102221 - 25 = 122201102189 is a prime.
It is a super-2 number, since 2×1222011022212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122201102195 and 122201102204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122201102281) 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, 360826 + ... + 612043.
It is an arithmetic number, because the mean of its divisors is an integer number (8785016100).
Almost surely, 2122201102221 is an apocalyptic number.
122201102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122201102221 is a deficient number, since it is larger than the sum of its proper divisors (18359155379).
122201102221 is a wasteful number, since it uses less digits than its factorization.
122201102221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 973500.
The product of its (nonzero) digits is 64, while the sum is 16.
It can be divided in two parts, 122201 and 102221, that added together give a palindrome (224422).
The spelling of 122201102221 in words is "one hundred twenty-two billion, two hundred one million, one hundred two thousand, two hundred twenty-one".
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