Base | Representation |
---|---|
bin | 110010010001011101010011… |
… | …011111001000110011000011 |
3 | 1001222212010222002002202201101 |
4 | 302101131103133020303003 |
5 | 212440013420124232321 |
6 | 2102124511113515231 |
7 | 64400044136551615 |
oct | 6221352337106303 |
9 | 1058763862082641 |
10 | 221102022102211 |
11 | 644a49283a4728 |
12 | 2096b077a12b17 |
13 | 964aaa6263463 |
14 | 3c85575b18db5 |
15 | 1a865871a2791 |
hex | c917537c8cc3 |
221102022102211 has 16 divisors (see below), whose sum is σ = 225867943312128. Its totient is φ = 216373613047200.
The previous prime is 221102022102197. The next prime is 221102022102337. The reversal of 221102022102211 is 112201220201122.
221102022102211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 221102022102211 - 27 = 221102022102083 is a prime.
It is a super-2 number, since 2×2211020221022112 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221102023102211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35237970 + ... + 41035576.
It is an arithmetic number, because the mean of its divisors is an integer number (14116746457008).
Almost surely, 2221102022102211 is an apocalyptic number.
221102022102211 is a deficient number, since it is larger than the sum of its proper divisors (4765921209917).
221102022102211 is a wasteful number, since it uses less digits than its factorization.
221102022102211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5800842.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 221102022102211 its reverse (112201220201122), we get a palindrome (333303242303333).
The spelling of 221102022102211 in words is "two hundred twenty-one trillion, one hundred two billion, twenty-two million, one hundred two thousand, two hundred eleven".
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