Base | Representation |
---|---|
bin | 100000010100100100011… |
… | …110101100111010101111 |
3 | 21212100001222112202012220 |
4 | 200110210132230322233 |
5 | 242342313142320421 |
6 | 4420210334130423 |
7 | 316320115341531 |
oct | 40244436547257 |
9 | 7770058482186 |
10 | 2221110120111 |
11 | 786a70838743 |
12 | 2ba571350a13 |
13 | 1315b024327c |
14 | 7970646b851 |
15 | 3cb998a23c6 |
hex | 205247aceaf |
2221110120111 has 8 divisors (see below), whose sum is σ = 2961495922944. Its totient is φ = 1480732198680.
The previous prime is 2221110120077. The next prime is 2221110120121. The reversal of 2221110120111 is 1110210111222.
It is a happy number.
2221110120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2221110120111 - 214 = 2221110103727 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221110120121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278025 + ... + 2464866.
It is an arithmetic number, because the mean of its divisors is an integer number (370186990368).
Almost surely, 22221110120111 is an apocalyptic number.
2221110120111 is a deficient number, since it is larger than the sum of its proper divisors (740385802833).
2221110120111 is a wasteful number, since it uses less digits than its factorization.
2221110120111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3940701.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 2221110120111 its reverse (1110210111222), we get a palindrome (3331320231333).
The spelling of 2221110120111 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, one hundred eleven".
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