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2201210120120 = 2351110397150021
BaseRepresentation
bin100000000010000010010…
…110001110011110111000
321210102201010012000012012
4200002002112032132320
5242031034242320440
64403115540105052
7315014016210044
oct40020226163670
97712633160165
102201210120120
11779589800160
122b6738995188
1312c75b4ac14b
1478779577024
153c3d27dae65
hex2008258e7b8

2201210120120 has 128 divisors (see below), whose sum is σ = 5461153850880. Its totient is φ = 791836608000.

The previous prime is 2201210120117. The next prime is 2201210120171. The reversal of 2201210120120 is 210210121022.

It is a junction number, because it is equal to n+sod(n) for n = 2201210120095 and 2201210120104.

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, 43980710 + ... + 44030730.

It is an arithmetic number, because the mean of its divisors is an integer number (42665264460).

Almost surely, 22201210120120 is an apocalyptic number.

2201210120120 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 2201210120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2730576925440).

2201210120120 is an abundant number, since it is smaller than the sum of its proper divisors (3259943730760).

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

2201210120120 is a wasteful number, since it uses less digits than its factorization.

2201210120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51117 (or 51113 counting only the distinct ones).

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

Adding to 2201210120120 its reverse (210210121022), we get a palindrome (2411420241142).

The spelling of 2201210120120 in words is "two trillion, two hundred one billion, two hundred ten million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 103 110 206 220 412 440 515 824 971 1030 1133 1942 2060 2266 3884 4120 4532 4855 5665 7768 9064 9710 10681 11330 19420 21362 22660 38840 42724 45320 50021 53405 85448 100013 100042 106810 200026 200084 213620 250105 400052 400168 427240 500065 500210 550231 800104 1000130 1000420 1100143 1100462 2000260 2000840 2200286 2200924 2751155 4000520 4400572 4401848 5152163 5500715 5502310 8801144 10304326 11001430 11004620 20608652 22002860 22009240 25760815 41217304 44005720 48570391 51521630 56673793 97140782 103043260 113347586 194281564 206086520 226695172 242851955 283368965 388563128 453390344 485703910 534274301 566737930 971407820 1068548602 1133475860 1942815640 2137097204 2266951720 2671371505 4274194408 5002750273 5342743010 10005500546 10685486020 20011001092 21370972040 25013751365 40022002184 50027502730 55030253003 100055005460 110060506006 200110010920 220121012012 275151265015 440242024024 550302530030 1100605060060 2201210120120