Base | Representation |
---|---|
bin | 11011101111101001000000… |
… | …111111010010010011010110 |
3 | 121000001002211001002112101110 |
4 | 123233221000333102103112 |
5 | 111443143213432224342 |
6 | 1111303420304235450 |
7 | 34462506613055046 |
oct | 3357510077222326 |
9 | 530032731075343 |
10 | 122021111211222 |
11 | 359749542164a3 |
12 | 1182861330bb86 |
13 | 53117066435b2 |
14 | 221bbd3621726 |
15 | e190b0bebc9c |
hex | 6efa40fd24d6 |
122021111211222 has 8 divisors (see below), whose sum is σ = 244042222422456. Its totient is φ = 40673703737072.
The previous prime is 122021111211187. The next prime is 122021111211227. The reversal of 122021111211222 is 222112111120221.
It is a sphenic number, since it is the product of 3 distinct primes.
122021111211222 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021111211227) 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, 10168425934263 + ... + 10168425934274.
It is an arithmetic number, because the mean of its divisors is an integer number (30505277802807).
Almost surely, 2122021111211222 is an apocalyptic number.
122021111211222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122021111211222 is a wasteful number, since it uses less digits than its factorization.
122021111211222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20336851868542.
The product of its (nonzero) digits is 128, while the sum is 21.
Adding to 122021111211222 its reverse (222112111120221), we get a palindrome (344133222331443).
The spelling of 122021111211222 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-two".
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