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11202202102221 = 3213644914846537
BaseRepresentation
bin1010001100000011011101…
…0001101110100111001101
31110122220211201120202011100
42203000313101232213031
52432014102214232341
635454115352213313
72234222003533404
oct243006721564715
943586751522140
1011202202102221
1136299110560a9
12130b08a99a239
13633494a2c6a0
142aa291cc063b
151465dd1133b6
hexa303746e9cd

11202202102221 has 24 divisors (see below), whose sum is σ = 17428350958200. Its totient is φ = 6892593417216.

The previous prime is 11202202102211. The next prime is 11202202102249. The reversal of 11202202102221 is 12220120220211.

It is a happy number.

11202202102221 is a `hidden beast` number, since 1 + 12 + 0 + 220 + 210 + 2 + 221 = 666.

11202202102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4905184005225 + 6297018096996 = 2214765^2 + 2509386^2 .

It is not a de Polignac number, because 11202202102221 - 230 = 11201128360397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202202102194 and 11202202102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202202102211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6668736 + ... + 8177801.

It is an arithmetic number, because the mean of its divisors is an integer number (726181289925).

Almost surely, 211202202102221 is an apocalyptic number.

It is an amenable number.

11202202102221 is a deficient number, since it is larger than the sum of its proper divisors (6226148855979).

11202202102221 is a wasteful number, since it uses less digits than its factorization.

11202202102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14853005 (or 14853002 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11202202102221 its reverse (12220120220211), we get a palindrome (23422322322432).

The spelling of 11202202102221 in words is "eleven trillion, two hundred two billion, two hundred two million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 3 9 13 39 117 6449 19347 58041 83837 251511 754533 14846537 44539611 133618833 193004981 579014943 1737044829 95745317113 287235951339 861707854017 1244689122469 3734067367407 11202202102221