Base | Representation |
---|---|
bin | 11101011010010011101… |
… | …011001011111110001101 |
3 | 21011012211210011210022012 |
4 | 131122103223023332031 |
5 | 231103214210413401 |
6 | 4144253000431005 |
7 | 266010021152540 |
oct | 35322353137615 |
9 | 7135753153265 |
10 | 2021112201101 |
11 | 70a170168a74 |
12 | 287856478465 |
13 | 1187894a2366 |
14 | 6db7276c857 |
15 | 378916de8bb |
hex | 1d693acbf8d |
2021112201101 has 16 divisors (see below), whose sum is σ = 2317107701760. Its totient is φ = 1726940755440.
The previous prime is 2021112201089. The next prime is 2021112201131. The reversal of 2021112201101 is 1011022111202.
It is a cyclic number.
It is not a de Polignac number, because 2021112201101 - 234 = 2003932331917 is a prime.
It is a super-2 number, since 2×20211122011012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021112201131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2810306 + ... + 3455436.
It is an arithmetic number, because the mean of its divisors is an integer number (144819231360).
Almost surely, 22021112201101 is an apocalyptic number.
It is an amenable number.
2021112201101 is a deficient number, since it is larger than the sum of its proper divisors (295995500659).
2021112201101 is an equidigital number, since it uses as much as digits as its factorization.
2021112201101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 646544.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 2021112201101 its reverse (1011022111202), we get a palindrome (3032134312303).
The spelling of 2021112201101 in words is "two trillion, twenty-one billion, one hundred twelve million, two hundred one thousand, one hundred one".
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