Base | Representation |
---|---|
bin | 1010000011100001010111… |
… | …00010001110001011111101 |
3 | 2220021210221002011221112001 |
4 | 11001300223202032023331 |
5 | 10344232240314443401 |
6 | 115005431041142301 |
7 | 4441324460134210 |
oct | 501605342161375 |
9 | 86253832157461 |
10 | 22111222031101 |
11 | 7055353441a95 |
12 | 259137762a991 |
13 | c45105281218 |
14 | 566290317777 |
15 | 28526c399601 |
hex | 141c2b88e2fd |
22111222031101 has 8 divisors (see below), whose sum is σ = 25271580691584. Its totient is φ = 18951266534640.
The previous prime is 22111222031011. The next prime is 22111222031123. The reversal of 22111222031101 is 10113022211122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22111222031101 - 29 = 22111222030589 is a prime.
It is a super-2 number, since 2×221112220311012 (a number of 27 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 (22111202031101) 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, 100673470 + ... + 100892863.
It is an arithmetic number, because the mean of its divisors is an integer number (3158947586448).
Almost surely, 222111222031101 is an apocalyptic number.
It is an amenable number.
22111222031101 is a deficient number, since it is larger than the sum of its proper divisors (3160358660483).
22111222031101 is a wasteful number, since it uses less digits than its factorization.
22111222031101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201582011.
The product of its (nonzero) digits is 96, while the sum is 19.
Adding to 22111222031101 its reverse (10113022211122), we get a palindrome (32224244242223).
The spelling of 22111222031101 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-two million, thirty-one thousand, one hundred one".
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