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2201110012220 = 2257191163711509
BaseRepresentation
bin100000000001111100011…
…000010110000100111100
321210102110010210222222012
4200001330120112010330
5242030333130342340
64403102002310352
7315011362255220
oct40017430260474
97712403728865
102201110012220
11779538245659
122b670b3583b8
1312c74382b4c2
147876a158780
153c3c8b14565
hex2007c61613c

2201110012220 has 96 divisors (see below), whose sum is σ = 5565488140800. Its totient is φ = 714331263744.

The previous prime is 2201110012141. The next prime is 2201110012259. The reversal of 2201110012220 is 222100111022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2201110012195 and 2201110012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2737826 + ... + 3449334.

It is an arithmetic number, because the mean of its divisors is an integer number (57973834800).

Almost surely, 22201110012220 is an apocalyptic number.

2201110012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201110012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782744070400).

2201110012220 is an abundant number, since it is smaller than the sum of its proper divisors (3364378128580).

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

2201110012220 is a wasteful number, since it uses less digits than its factorization.

2201110012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712707 (or 712705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201110012220 its reverse (222100111022), we get a palindrome (2423210123242).

The spelling of 2201110012220 in words is "two trillion, two hundred one billion, one hundred ten million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1163 1330 2326 2660 4652 5815 8141 11630 16282 22097 23260 32564 40705 44194 81410 88388 110485 154679 162820 220970 309358 441940 618716 711509 773395 1423018 1546790 2846036 3093580 3557545 4980563 7115090 9961126 13518671 14230180 19922252 24902815 27037342 49805630 54074684 67593355 94630697 99611260 135186710 189261394 270373420 378522788 473153485 827484967 946306970 1654969934 1892613940 3309939868 4137424835 5792394769 8274849670 11584789538 15722214373 16549699340 23169579076 28961973845 31444428746 57923947690 62888857492 78611071865 110055500611 115847895380 157222143730 220111001222 314444287460 440222002444 550277503055 1100555006110 2201110012220