Base | Representation |
---|---|
bin | 1001100110101101010100… |
… | …01110000111100011011110 |
3 | 2202210011112102221000220221 |
4 | 10303112222032013203132 |
5 | 10232022214231201420 |
6 | 112530541104031554 |
7 | 4306646162662402 |
oct | 463265216074336 |
9 | 82704472830827 |
10 | 21121210022110 |
11 | 6803500479620 |
12 | 24515226025ba |
13 | ba294c359a43 |
14 | 5303b45c9102 |
15 | 26962791ccaa |
hex | 1335aa3878de |
21121210022110 has 16 divisors (see below), whose sum is σ = 41474376043632. Its totient is φ = 7680440008000.
The previous prime is 21121210022093. The next prime is 21121210022123. The reversal of 21121210022110 is 1122001212112.
It is a super-2 number, since 2×211212100221102 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96005499991 + ... + 96005500210.
It is an arithmetic number, because the mean of its divisors is an integer number (2592148502727).
Almost surely, 221121210022110 is an apocalyptic number.
21121210022110 is a deficient number, since it is larger than the sum of its proper divisors (20353166021522).
21121210022110 is a wasteful number, since it uses less digits than its factorization.
21121210022110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192011000219.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 21121210022110 its reverse (1122001212112), we get a palindrome (22243211234222).
The spelling of 21121210022110 in words is "twenty-one trillion, one hundred twenty-one billion, two hundred ten million, twenty-two thousand, one hundred ten".
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