Base | Representation |
---|---|
bin | 1001001100010000001010… |
… | …00100010110010011101001 |
3 | 2122120021020001022100122120 |
4 | 10212020011010112103221 |
5 | 10122124041441333001 |
6 | 110553205040341453 |
7 | 4154166120546141 |
oct | 446100504262351 |
9 | 78507201270576 |
10 | 20212201121001 |
11 | 6492a4566900a |
12 | 2325315314889 |
13 | b38005325026 |
14 | 4dc3c0951921 |
15 | 250b74557236 |
hex | 1262051164e9 |
20212201121001 has 32 divisors (see below), whose sum is σ = 29179105390848. Its totient is φ = 12411305533440.
The previous prime is 20212201120957. The next prime is 20212201121009. The reversal of 20212201121001 is 10012110221202.
It is not a de Polignac number, because 20212201121001 - 222 = 20212196926697 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20212201121009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40561840 + ... + 41057121.
It is an arithmetic number, because the mean of its divisors is an integer number (911847043464).
Almost surely, 220212201121001 is an apocalyptic number.
It is an amenable number.
20212201121001 is a deficient number, since it is larger than the sum of its proper divisors (8966904269847).
20212201121001 is a wasteful number, since it uses less digits than its factorization.
20212201121001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81619121.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20212201121001 its reverse (10012110221202), we get a palindrome (30224311342203).
The spelling of 20212201121001 in words is "twenty trillion, two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one".
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