Base | Representation |
---|---|
bin | 11001000011111011100000… |
… | …001000101011011001000100 |
3 | 112110021001012201022001211201 |
4 | 121003323200020223121010 |
5 | 103421331020021334340 |
6 | 1030230531513512244 |
7 | 32134135235155243 |
oct | 3103734010533104 |
9 | 473231181261751 |
10 | 110221211121220 |
11 | 3213560a242741 |
12 | 10441738712684 |
13 | 4966a7ab84724 |
14 | 1d30a410d095a |
15 | cb218edd879a |
hex | 643ee022b644 |
110221211121220 has 12 divisors (see below), whose sum is σ = 231464543354604. Its totient is φ = 44088484448480.
The previous prime is 110221211121157. The next prime is 110221211121239. The reversal of 110221211121220 is 22121112122011.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 74974263277824 + 35246947843396 = 8658768^2 + 5936914^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755530278011 + ... + 2755530278050.
It is an arithmetic number, because the mean of its divisors is an integer number (19288711946217).
Almost surely, 2110221211121220 is an apocalyptic number.
110221211121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
110221211121220 is an abundant number, since it is smaller than the sum of its proper divisors (121243332233384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
110221211121220 is a wasteful number, since it uses less digits than its factorization.
110221211121220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5511060556070 (or 5511060556068 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 19.
Adding to 110221211121220 its reverse (22121112122011), we get a palindrome (132342323243231).
The spelling of 110221211121220 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twenty".
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