Base | Representation |
---|---|
bin | 100000010101100000101… |
… | …011100011011010010001 |
3 | 21212102200101001011100022 |
4 | 200111200223203122101 |
5 | 242401400222401001 |
6 | 4420454454033225 |
7 | 316354131250463 |
oct | 40254053433221 |
9 | 7772611034308 |
10 | 2222120122001 |
11 | 78743997304a |
12 | 2ba7b3648815 |
13 | 131711572b20 |
14 | 797a0660133 |
15 | 3cc083ac11b |
hex | 20560ae3691 |
2222120122001 has 32 divisors (see below), whose sum is σ = 2559871641600. Its totient is φ = 1910702306304.
The previous prime is 2222120121971. The next prime is 2222120122009. The reversal of 2222120122001 is 1002210212222.
It is a happy number.
It is not a de Polignac number, because 2222120122001 - 234 = 2204940252817 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is not an unprimeable number, because it can be changed into a prime (2222120122009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41470175 + ... + 41523723.
It is an arithmetic number, because the mean of its divisors is an integer number (79995988800).
Almost surely, 22222120122001 is an apocalyptic number.
It is an amenable number.
2222120122001 is a deficient number, since it is larger than the sum of its proper divisors (337751519599).
2222120122001 is a wasteful number, since it uses less digits than its factorization.
2222120122001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55505.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2222120122001 its reverse (1002210212222), we get a palindrome (3224330334223).
The spelling of 2222120122001 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •