Base | Representation |
---|---|
bin | 111000010110101101… |
… | …0110111010001000010 |
3 | 102120101011112220220112 |
4 | 1300231122313101002 |
5 | 3440322400213442 |
6 | 131332450111322 |
7 | 11513005246415 |
oct | 1605532672102 |
9 | 376334486815 |
10 | 121021101122 |
11 | 47363290549 |
12 | 1b55587b542 |
13 | b548901c0c |
14 | 5c00bc7b7c |
15 | 3234954082 |
hex | 1c2d6b7442 |
121021101122 has 32 divisors (see below), whose sum is σ = 198272923200. Its totient is φ = 55181649600.
The previous prime is 121021101067. The next prime is 121021101133. The reversal of 121021101122 is 221101120121.
It is a super-2 number, since 2×1210211011222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121021101097 and 121021101106.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198872 + ... + 530652.
It is an arithmetic number, because the mean of its divisors is an integer number (6196028850).
Almost surely, 2121021101122 is an apocalyptic number.
121021101122 is a deficient number, since it is larger than the sum of its proper divisors (77251822078).
121021101122 is a wasteful number, since it uses less digits than its factorization.
121021101122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 332162.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 121021101122 its reverse (221101120121), we get a palindrome (342122221243).
The spelling of 121021101122 in words is "one hundred twenty-one billion, twenty-one million, one hundred one thousand, one hundred twenty-two".
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