Base | Representation |
---|---|
bin | 11011101111101001111100… |
… | …100101010000110000101001 |
3 | 121000001012101201102012002202 |
4 | 123233221330211100300221 |
5 | 111443202240410201441 |
6 | 1111304103421505545 |
7 | 34462543443240452 |
oct | 3357517445206051 |
9 | 530035351365082 |
10 | 122022111022121 |
11 | 359753176201a2 |
12 | 118288521122b5 |
13 | 531183581568b |
14 | 221bc8a320129 |
15 | e1911d89219b |
hex | 6efa7c950c29 |
122022111022121 has 2 divisors, whose sum is σ = 122022111022122. Its totient is φ = 122022111022120.
The previous prime is 122022111022117. The next prime is 122022111022139. The reversal of 122022111022121 is 121220111220221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 62802375792025 + 59219735230096 = 7924795^2 + 7695436^2 .
It is a cyclic number.
It is not a de Polignac number, because 122022111022121 - 22 = 122022111022117 is a prime.
It is a super-4 number, since 4×1220221110221214 (a number of 57 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122022111022093 and 122022111022102.
It is not a weakly prime, because it can be changed into another prime (122022111022111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011055511060 + 61011055511061.
It is an arithmetic number, because the mean of its divisors is an integer number (61011055511061).
Almost surely, 2122022111022121 is an apocalyptic number.
It is an amenable number.
122022111022121 is a deficient number, since it is larger than the sum of its proper divisors (1).
122022111022121 is an equidigital number, since it uses as much as digits as its factorization.
122022111022121 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 20.
Adding to 122022111022121 its reverse (121220111220221), we get a palindrome (243242222242342).
The spelling of 122022111022121 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-one".
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