Base | Representation |
---|---|
bin | 11011110010100011010001… |
… | …110110100100111100001001 |
3 | 121000202020001022022210021200 |
4 | 123302203101312210330021 |
5 | 112004432313142321301 |
6 | 1111535334115054413 |
7 | 34513120021536201 |
oct | 3362432166447411 |
9 | 530666038283250 |
10 | 122221110120201 |
11 | 35a41755401a24 |
12 | 1185b32a5a1409 |
13 | 532752a66cca1 |
14 | 22277674db401 |
15 | e1e3b9007c86 |
hex | 6f28d1da4f09 |
122221110120201 has 6 divisors (see below), whose sum is σ = 176541603506970. Its totient is φ = 81480740080128.
The previous prime is 122221110120199. The next prime is 122221110120211. The reversal of 122221110120201 is 102021011122221.
122221110120201 is a `hidden beast` number, since 1 + 222 + 211 + 10 + 1 + 20 + 201 = 666.
122221110120201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 70218550881801 + 52002559238400 = 8379651^2 + 7211280^2 .
It is not a de Polignac number, because 122221110120201 - 21 = 122221110120199 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (122221110120211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6790061673336 + ... + 6790061673353.
It is an arithmetic number, because the mean of its divisors is an integer number (29423600584495).
Almost surely, 2122221110120201 is an apocalyptic number.
It is an amenable number.
122221110120201 is a deficient number, since it is larger than the sum of its proper divisors (54320493386769).
122221110120201 is a wasteful number, since it uses less digits than its factorization.
122221110120201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13580123346695 (or 13580123346692 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 122221110120201 its reverse (102021011122221), we get a palindrome (224242121242422).
The spelling of 122221110120201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, two hundred one".
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