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101222112210220 = 22543967991215923
BaseRepresentation
bin10111000000111110011100…
…000010101010110100101100
3111021101201222001001022020001
4113000332130002222310230
5101231410341211211340
6555140444004434044
730215025205422421
oct2700763402526454
9437351861038201
10101222112210220
112a286069540071
12b4296346a8924
1344632868accc1
141add267d69d48
15ba80458a129a
hex5c0f9c0aad2c

101222112210220 has 48 divisors (see below), whose sum is σ = 217512267033600. Its totient is φ = 39546802766016.

The previous prime is 101222112210187. The next prime is 101222112210227. The reversal of 101222112210220 is 22012211222101.

It is not an unprimeable number, because it can be changed into a prime (101222112210227) 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, 82639179 + ... + 83855101.

It is an arithmetic number, because the mean of its divisors is an integer number (4531505563200).

Almost surely, 2101222112210220 is an apocalyptic number.

101222112210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222112210220 is an abundant number, since it is smaller than the sum of its proper divisors (116290154823380).

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

101222112210220 is a wasteful number, since it uses less digits than its factorization.

101222112210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312774 (or 1312772 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101222112210220 its reverse (22012211222101), we get a palindrome (123234323432321).

The spelling of 101222112210220 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 96799 193598 387196 483995 967990 1215923 1935980 2431846 4162357 4863692 6079615 8324714 12159230 16649428 20811785 24318460 41623570 52284689 83247140 104569378 209138756 261423445 522846890 1045693780 117700130477 235400260954 470800521908 588500652385 1177001304770 2354002609540 5061105610511 10122211221022 20244422442044 25305528052555 50611056105110 101222112210220