Base | Representation |
---|---|
bin | 1011000110101110100011… |
… | …0001000001101000101101 |
3 | 1121020021122222122022121122 |
4 | 2301223220301001220231 |
5 | 3100022443232033401 |
6 | 41545142305110325 |
7 | 2400105123266243 |
oct | 261535061015055 |
9 | 47207588568548 |
10 | 12210202221101 |
11 | 398835491a795 |
12 | 14525040283a5 |
13 | 6a7556580481 |
14 | 302d96a22793 |
15 | 162936d9a21b |
hex | b1ae8c41a2d |
12210202221101 has 4 divisors (see below), whose sum is σ = 12210688960512. Its totient is φ = 12209715481692.
The previous prime is 12210202221083. The next prime is 12210202221137. The reversal of 12210202221101 is 10112220201221.
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 12210202221101 - 210 = 12210202220077 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12210202221101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210202221001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243332075 + ... + 243382248.
It is an arithmetic number, because the mean of its divisors is an integer number (3052672240128).
Almost surely, 212210202221101 is an apocalyptic number.
It is an amenable number.
12210202221101 is a deficient number, since it is larger than the sum of its proper divisors (486739411).
12210202221101 is an equidigital number, since it uses as much as digits as its factorization.
12210202221101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486739410.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12210202221101 its reverse (10112220201221), we get a palindrome (22322422422322).
The spelling of 12210202221101 in words is "twelve trillion, two hundred ten billion, two hundred two million, two hundred twenty-one thousand, one hundred one".
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