Base | Representation |
---|---|
bin | 110010011110101011000111… |
… | …001011000101011100101001 |
3 | 1002010001222010122010002120022 |
4 | 302132223013023011130221 |
5 | 213044403342440231441 |
6 | 2104102024533410225 |
7 | 64522464513644135 |
oct | 6236530713053451 |
9 | 1063058118102508 |
10 | 222010201102121 |
11 | 64814aa7801183 |
12 | 20a97093199975 |
13 | 96b561a376283 |
14 | 3cb74cb4823c5 |
15 | 1a9eedc78684b |
hex | c9eac72c5729 |
222010201102121 has 4 divisors (see below), whose sum is σ = 229171820492544. Its totient is φ = 214848581711700.
The previous prime is 222010201102099. The next prime is 222010201102139. The reversal of 222010201102121 is 121201102010222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 222010201102121 - 226 = 222010133993257 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 222010201102121.
It is not an unprimeable number, because it can be changed into a prime (222010201102321) 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, 3580809695165 + ... + 3580809695226.
It is an arithmetic number, because the mean of its divisors is an integer number (57292955123136).
Almost surely, 2222010201102121 is an apocalyptic number.
It is an amenable number.
222010201102121 is a deficient number, since it is larger than the sum of its proper divisors (7161619390423).
222010201102121 is an equidigital number, since it uses as much as digits as its factorization.
222010201102121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7161619390422.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 222010201102121 its reverse (121201102010222), we get a palindrome (343211303112343).
The spelling of 222010201102121 in words is "two hundred twenty-two trillion, ten billion, two hundred one million, one hundred two thousand, one hundred twenty-one".
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