Base | Representation |
---|---|
bin | 11011100001000100101011… |
… | …010111001111011011101001 |
3 | 120212111101211100021020222220 |
4 | 123201010223113033123221 |
5 | 111330243000334342301 |
6 | 1105215455151104253 |
7 | 34330256636553153 |
oct | 3341045327173351 |
9 | 525441740236886 |
10 | 121020021012201 |
11 | 3561933696a983 |
12 | 116a65a8212089 |
13 | 526b1a654919c |
14 | 21c55864abad3 |
15 | ded01d8d8936 |
hex | 6e112b5cf6e9 |
121020021012201 has 8 divisors (see below), whose sum is σ = 165112586807520. Its totient is φ = 78803734612512.
The previous prime is 121020021012173. The next prime is 121020021012229. The reversal of 121020021012201 is 102210120020121.
It is an interprime number because it is at equal distance from previous prime (121020021012173) and next prime (121020021012229).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121020021012201 - 210 = 121020021011177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121020021012251) 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, 469069848756 + ... + 469069849013.
It is an arithmetic number, because the mean of its divisors is an integer number (20639073350940).
Almost surely, 2121020021012201 is an apocalyptic number.
It is an amenable number.
121020021012201 is a deficient number, since it is larger than the sum of its proper divisors (44092565795319).
121020021012201 is an equidigital number, since it uses as much as digits as its factorization.
121020021012201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 938139697815.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 121020021012201 its reverse (102210120020121), we get a palindrome (223230141032322).
The spelling of 121020021012201 in words is "one hundred twenty-one trillion, twenty billion, twenty-one million, twelve thousand, two hundred one".
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