Base | Representation |
---|---|
bin | 11011100001000100110110… |
… | …101000101000100111110001 |
3 | 120212111102022112002222202221 |
4 | 123201010312220220213301 |
5 | 111330243342242334301 |
6 | 1105215530024241041 |
7 | 34330264424140306 |
oct | 3341046650504761 |
9 | 525442275088687 |
10 | 121020210121201 |
11 | 35619423694306 |
12 | 116a663b610181 |
13 | 526b20678c1c1 |
14 | 21c55a36570ad |
15 | ded0302e0da1 |
hex | 6e1136a289f1 |
121020210121201 has 8 divisors (see below), whose sum is σ = 121706297795264. Its totient is φ = 120334314400560.
The previous prime is 121020210121079. The next prime is 121020210121219. The reversal of 121020210121201 is 102121012020121.
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 121020210121201 - 27 = 121020210121073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121020210121241) 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, 46723755 + ... + 49245808.
It is an arithmetic number, because the mean of its divisors is an integer number (15213287224408).
Almost surely, 2121020210121201 is an apocalyptic number.
It is an amenable number.
121020210121201 is a deficient number, since it is larger than the sum of its proper divisors (686087674063).
121020210121201 is an equidigital number, since it uses as much as digits as its factorization.
121020210121201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95976711.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 121020210121201 its reverse (102121012020121), we get a palindrome (223141222141322).
The spelling of 121020210121201 in words is "one hundred twenty-one trillion, twenty billion, two hundred ten million, one hundred twenty-one thousand, two hundred one".
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