Base | Representation |
---|---|
bin | 1110100010111… |
… | …10000101110011 |
3 | 22111121021021002 |
4 | 13101132011303 |
5 | 222214121321 |
6 | 20035152215 |
7 | 3011104025 |
oct | 721360563 |
9 | 274537232 |
10 | 122020211 |
11 | 62971655 |
12 | 34a4566b |
13 | 1c383611 |
14 | 122c4015 |
15 | aaa420b |
hex | 745e173 |
122020211 has 2 divisors, whose sum is σ = 122020212. Its totient is φ = 122020210.
The previous prime is 122020193. The next prime is 122020229. The reversal of 122020211 is 112020221.
It is a happy number.
It is a balanced prime because it is at equal distance from previous prime (122020193) and next prime (122020229).
It is an emirp because it is prime and its reverse (112020221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122020211 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122020192 and 122020201.
It is not a weakly prime, because it can be changed into another prime (122020511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010105 + 61010106.
It is an arithmetic number, because the mean of its divisors is an integer number (61010106).
Almost surely, 2122020211 is an apocalyptic number.
122020211 is a deficient number, since it is larger than the sum of its proper divisors (1).
122020211 is an equidigital number, since it uses as much as digits as its factorization.
122020211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 122020211 is about 11046.2758882802. The cubic root of 122020211 is about 495.9949528514.
Adding to 122020211 its reverse (112020221), we get a palindrome (234040432).
The spelling of 122020211 in words is "one hundred twenty-two million, twenty thousand, two hundred eleven".
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