Base | Representation |
---|---|
bin | 11011100010010001001000… |
… | …110110110100111001010001 |
3 | 120212210020201222101122000112 |
4 | 123202101020312310321101 |
5 | 111333114120233210001 |
6 | 1105321313533531105 |
7 | 34336224301331030 |
oct | 3342211066647121 |
9 | 525706658348015 |
10 | 121102120210001 |
11 | 35650136807377 |
12 | 116ba49b043a95 |
13 | 5275b5b54a978 |
14 | 21c9533d64717 |
15 | e00226311cbb |
hex | 6e2448db4e51 |
121102120210001 has 8 divisors (see below), whose sum is σ = 138402784054080. Its totient is φ = 103801546605168.
The previous prime is 121102120209997. The next prime is 121102120210003. The reversal of 121102120210001 is 100012021201121.
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 121102120210001 - 22 = 121102120209997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121102120210003) 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, 19659206 + ... + 25073663.
It is an arithmetic number, because the mean of its divisors is an integer number (17300348006760).
Almost surely, 2121102120210001 is an apocalyptic number.
It is an amenable number.
121102120210001 is a deficient number, since it is larger than the sum of its proper divisors (17300663844079).
121102120210001 is an equidigital number, since it uses as much as digits as its factorization.
121102120210001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45119623.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 121102120210001 its reverse (100012021201121), we get a palindrome (221114141411122).
The spelling of 121102120210001 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty million, two hundred ten thousand, one".
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