Base | Representation |
---|---|
bin | 11011101111011110101011… |
… | …111010011110100100111001 |
3 | 121000000001012002102100022111 |
4 | 123233132223322132210321 |
5 | 111443003010133223001 |
6 | 1111254343545452321 |
7 | 34461635020112326 |
oct | 3357365372364471 |
9 | 530001162370274 |
10 | 122010020211001 |
11 | 3597018268390a |
12 | 11826438aa10a1 |
13 | 5310659906980 |
14 | 221b460623b4d |
15 | e18b62184851 |
hex | 6ef7abe9e939 |
122010020211001 has 8 divisors (see below), whose sum is σ = 131423989305224. Its totient is φ = 112600134391680.
The previous prime is 122010020210863. The next prime is 122010020211041. The reversal of 122010020211001 is 100112020010221.
It can be written as a sum of positive squares in 4 ways, for example, as 876311293225 + 121133708917776 = 936115^2 + 11006076^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122010020211001 - 221 = 122010018113849 is a prime.
It is a super-2 number, since 2×1220100202110012 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122010020211041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020756660 + ... + 1020876181.
It is an arithmetic number, because the mean of its divisors is an integer number (16427998663153).
Almost surely, 2122010020211001 is an apocalyptic number.
It is an amenable number.
122010020211001 is a deficient number, since it is larger than the sum of its proper divisors (9413969094223).
122010020211001 is a wasteful number, since it uses less digits than its factorization.
122010020211001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2041637451.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 122010020211001 its reverse (100112020010221), we get a palindrome (222122040221222).
The spelling of 122010020211001 in words is "one hundred twenty-two trillion, ten billion, twenty million, two hundred eleven thousand, one".
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