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11202121110220 = 2251793129084109
BaseRepresentation
bin1010001100000011001001…
…1100110001001011001100
31110122220122002011221000121
42203000302130301023030
52432013421001011340
635454103340234324
72234220001236205
oct243006234611314
943586562157017
1011202121110220
11362987a367667
12130b06783b9a4
13633481012921
142aa28523a5ac
151465d5e6594a
hexa30327312cc

11202121110220 has 24 divisors (see below), whose sum is σ = 23655875871600. Its totient is φ = 4455815769792.

The previous prime is 11202121110127. The next prime is 11202121110233. The reversal of 11202121110220 is 2201112120211.

It is a junction number, because it is equal to n+sod(n) for n = 11202121110194 and 11202121110203.

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, 1564538475 + ... + 1564545634.

It is an arithmetic number, because the mean of its divisors is an integer number (985661494650).

Almost surely, 211202121110220 is an apocalyptic number.

11202121110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202121110220 is an abundant number, since it is smaller than the sum of its proper divisors (12453754761380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11202121110220 is a wasteful number, since it uses less digits than its factorization.

11202121110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129084297 (or 3129084295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202121110220 its reverse (2201112120211), we get a palindrome (13403233230431).

The spelling of 11202121110220 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 3129084109 6258168218 12516336436 15645420545 31290841090 62581682180 560106055511 1120212111022 2240424222044 2800530277555 5601060555110 11202121110220