Base | Representation |
---|---|
bin | 111000110100001100… |
… | …0000011011010110011 |
3 | 102122221002202101012212 |
4 | 1301220120003122303 |
5 | 3444334104021321 |
6 | 132014542242335 |
7 | 11546345521505 |
oct | 1615030033263 |
9 | 378832671185 |
10 | 122010220211 |
11 | 47820652340 |
12 | 1b790b863ab |
13 | b6757cc599 |
14 | 5c96301d75 |
15 | 32916d655b |
hex | 1c686036b3 |
122010220211 has 4 divisors (see below), whose sum is σ = 133102058424. Its totient is φ = 110918382000.
The previous prime is 122010220201. The next prime is 122010220229. The reversal of 122010220211 is 112022010221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122010220211 - 210 = 122010219187 is a prime.
It is a super-3 number, since 3×1220102202113 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122010220201) 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 3 ways as a sum of consecutive naturals, for example, 5545919090 + ... + 5545919111.
It is an arithmetic number, because the mean of its divisors is an integer number (33275514606).
Almost surely, 2122010220211 is an apocalyptic number.
122010220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122010220211 is a deficient number, since it is larger than the sum of its proper divisors (11091838213).
122010220211 is a wasteful number, since it uses less digits than its factorization.
122010220211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11091838212.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122010220211 its reverse (112022010221), we get a palindrome (234032230432).
The spelling of 122010220211 in words is "one hundred twenty-two billion, ten million, two hundred twenty thousand, two hundred eleven".
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