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1102221103221 = 3472299576121
BaseRepresentation
bin10000000010100001011…
…111110101000001110101
310220101000200110111120000
4100002201133311001311
5121024322100300341
62202204155301513
7142430031536100
oct20024137650165
93811020414500
101102221103221
113954a4094797
1215974b74a899
137cc28cb8234
143b4c2479737
151da1098a8b6
hex100a17f5075

1102221103221 has 60 divisors (see below), whose sum is σ = 1981395403020. Its totient is φ = 608121924480.

The previous prime is 1102221103127. The next prime is 1102221103231. The reversal of 1102221103221 is 1223011222011.

1102221103221 is a `hidden beast` number, since 1 + 10 + 222 + 110 + 322 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 820499002596 + 281722100625 = 905814^2 + 530775^2 .

It is not a de Polignac number, because 1102221103221 - 211 = 1102221101173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102221103194 and 1102221103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102221103231) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4672960 + ... + 4903161.

It is an arithmetic number, because the mean of its divisors is an integer number (33023256717).

Almost surely, 21102221103221 is an apocalyptic number.

It is an amenable number.

1102221103221 is a deficient number, since it is larger than the sum of its proper divisors (879174299799).

1102221103221 is an equidigital number, since it uses as much as digits as its factorization.

1102221103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576176 (or 9576160 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1102221103221 its reverse (1223011222011), we get a palindrome (2325232325232).

The spelling of 1102221103221 in words is "one trillion, one hundred two billion, two hundred twenty-one million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 3 7 9 21 27 29 49 63 81 87 147 189 203 261 441 567 609 783 1323 1421 1827 2349 3969 4263 5481 12789 16443 38367 115101 9576121 28728363 67032847 86185089 201098541 258555267 277707509 469229929 603295623 775665801 833122527 1407689787 1809886869 1943952563 2499367581 4223069361 5429660607 5831857689 7498102743 12669208083 13607667941 17495573067 22494308229 38007624249 40823003823 52486719201 122469011469 157460157603 367407034407 1102221103221