Base | Representation |
---|---|
bin | 11011110000110100100011… |
… | …100001010110001100100011 |
3 | 121000022212011201211222202210 |
4 | 123300310203201112030203 |
5 | 112001010322111432321 |
6 | 1111404552553013203 |
7 | 34501410603444015 |
oct | 3360644341261443 |
9 | 530285151758683 |
10 | 122102221202211 |
11 | 359a62967411a8 |
12 | 1184028a9b4203 |
13 | 53192617167c3 |
14 | 2221ac997a1b5 |
15 | e1b25b876b76 |
hex | 6f0d23856323 |
122102221202211 has 4 divisors (see below), whose sum is σ = 162802961602952. Its totient is φ = 81401480801472.
The previous prime is 122102221202173. The next prime is 122102221202233. The reversal of 122102221202211 is 112202122201221.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 122102221202211 - 26 = 122102221202147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122102221202711) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20350370200366 + ... + 20350370200371.
It is an arithmetic number, because the mean of its divisors is an integer number (40700740400738).
Almost surely, 2122102221202211 is an apocalyptic number.
122102221202211 is a deficient number, since it is larger than the sum of its proper divisors (40700740400741).
122102221202211 is an equidigital number, since it uses as much as digits as its factorization.
122102221202211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40700740400740.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122102221202211 its reverse (112202122201221), we get a palindrome (234304343403432).
The spelling of 122102221202211 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twenty-one million, two hundred two thousand, two hundred eleven".
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