Base | Representation |
---|---|
bin | 10100101011111000… |
… | …010100110100010101 |
3 | 2010022220221211101012 |
4 | 110223320110310111 |
5 | 330442010201401 |
6 | 14111551142005 |
7 | 1414260400322 |
oct | 245370246425 |
9 | 63286854335 |
10 | 22211022101 |
11 | 94685a7714 |
12 | 437a514905 |
13 | 212c798138 |
14 | 1109bd1b49 |
15 | 89ee138bb |
hex | 52be14d15 |
22211022101 has 4 divisors (see below), whose sum is σ = 22231456512. Its totient is φ = 22190587692.
The previous prime is 22211022083. The next prime is 22211022139. The reversal of 22211022101 is 10122011222.
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 22211022101 - 214 = 22211005717 is a prime.
It is a super-2 number, since 2×222110221012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22211022151) 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, 10215575 + ... + 10217748.
It is an arithmetic number, because the mean of its divisors is an integer number (5557864128).
Almost surely, 222211022101 is an apocalyptic number.
It is an amenable number.
22211022101 is a deficient number, since it is larger than the sum of its proper divisors (20434411).
22211022101 is a wasteful number, since it uses less digits than its factorization.
22211022101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20434410.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 22211022101 its reverse (10122011222), we get a palindrome (32333033323).
The spelling of 22211022101 in words is "twenty-two billion, two hundred eleven million, twenty-two thousand, one hundred one".
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