Base | Representation |
---|---|
bin | 100000010100101010011… |
… | …100100110100100001101 |
3 | 21212100022221221000102102 |
4 | 200110222130212210031 |
5 | 242343014304424401 |
6 | 4420224312004445 |
7 | 316322442314246 |
oct | 40245234464415 |
9 | 7770287830372 |
10 | 2221210233101 |
11 | 7870122a7052 |
12 | 2ba59a990725 |
13 | 1315c7bc6322 |
14 | 7971588bccd |
15 | 3cba357a56b |
hex | 2052a72690d |
2221210233101 has 4 divisors (see below), whose sum is σ = 2221250253600. Its totient is φ = 2221170212604.
The previous prime is 2221210233043. The next prime is 2221210233139. The reversal of 2221210233101 is 1013320121222.
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 2221210233101 - 214 = 2221210216717 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221210233401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19926881 + ... + 20038038.
It is an arithmetic number, because the mean of its divisors is an integer number (555312563400).
Almost surely, 22221210233101 is an apocalyptic number.
It is an amenable number.
2221210233101 is a deficient number, since it is larger than the sum of its proper divisors (40020499).
2221210233101 is an equidigital number, since it uses as much as digits as its factorization.
2221210233101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40020498.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 2221210233101 its reverse (1013320121222), we get a palindrome (3234530354323).
The spelling of 2221210233101 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, two hundred thirty-three thousand, one hundred one".
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