Base | Representation |
---|---|
bin | 110010011110101011001000… |
… | …010011111100100010001001 |
3 | 1002010001222011222001110211201 |
4 | 302132223020103330202021 |
5 | 213044403412332431441 |
6 | 2104102030455024201 |
7 | 64522465135204231 |
oct | 6236531023744211 |
9 | 1063058158043751 |
10 | 222010220202121 |
11 | 648150075672aa |
12 | 20a9709966b061 |
13 | 96b5621302b50 |
14 | 3cb74cdc14cc1 |
15 | 1a9eede2aac31 |
hex | c9eac84fc889 |
222010220202121 has 16 divisors (see below), whose sum is σ = 240106867660800. Its totient is φ = 204059267995968.
The previous prime is 222010220202109. The next prime is 222010220202137. The reversal of 222010220202121 is 121202022010222.
It is a cyclic number.
It is not a de Polignac number, because 222010220202121 - 229 = 222009683331209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (222010220202101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37506655 + ... + 43020571.
It is an arithmetic number, because the mean of its divisors is an integer number (15006679228800).
Almost surely, 2222010220202121 is an apocalyptic number.
It is an amenable number.
222010220202121 is a deficient number, since it is larger than the sum of its proper divisors (18096647458679).
222010220202121 is a wasteful number, since it uses less digits than its factorization.
222010220202121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5527128.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 222010220202121 its reverse (121202022010222), we get a palindrome (343212242212343).
The spelling of 222010220202121 in words is "two hundred twenty-two trillion, ten billion, two hundred twenty million, two hundred two thousand, one hundred twenty-one".
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