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22120112002120 = 2351161824147243
BaseRepresentation
bin1010000011110001111010…
…11010110001010001001000
32220022122212122020021010221
411001320331122301101020
510344403442133031440
6115013501132115424
74442060665503106
oct501707532612110
986278778207127
1022120112002120
1170590a5611880
122593038905b74
13c45bc0cb8bc2
14566894c8ac76
152855dca8ed4a
hex141e3d6b1448

22120112002120 has 64 divisors (see below), whose sum is σ = 55184899458240. Its totient is φ = 7911813523200.

The previous prime is 22120112002103. The next prime is 22120112002123. The reversal of 22120112002120 is 2120021102122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22120112002094 and 22120112002103.

It is not an unprimeable number, because it can be changed into a prime (22120112002123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412046782 + ... + 412100461.

It is an arithmetic number, because the mean of its divisors is an integer number (862264054035).

Almost surely, 222120112002120 is an apocalyptic number.

22120112002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120112002120 is an abundant number, since it is smaller than the sum of its proper divisors (33064787456120).

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

22120112002120 is a wasteful number, since it uses less digits than its factorization.

22120112002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824147326 (or 824147322 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120112002120 its reverse (2120021102122), we get a palindrome (24240133104242).

The spelling of 22120112002120 in words is "twenty-two trillion, one hundred twenty billion, one hundred twelve million, two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 61 88 110 122 220 244 305 440 488 610 671 1220 1342 2440 2684 3355 5368 6710 13420 26840 824147243 1648294486 3296588972 4120736215 6593177944 8241472430 9065619673 16482944860 18131239346 32965889720 36262478692 45328098365 50272981823 72524957384 90656196730 100545963646 181312393460 201091927292 251364909115 362624786920 402183854584 502729818230 553002800053 1005459636460 1106005600106 2010919272920 2212011200212 2765014000265 4424022400424 5530028000530 11060056001060 22120112002120