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10101002201220 = 2235761394262381
BaseRepresentation
bin1001001011111101001010…
…1001011110100010000100
31022202122110012200200200210
42102333102221132202010
52310443323030414340
633252200352435420
72061526152032250
oct222772251364204
938678405620623
1010101002201220
1132448a1456797
121171785248b70
1358369c496028
1426cc69311260
15127b3c146180
hex92fd2a5e884

10101002201220 has 96 divisors (see below), whose sum is σ = 32853095767296. Its totient is φ = 2270951308800.

The previous prime is 10101002201189. The next prime is 10101002201221. The reversal of 10101002201220 is 2210220010101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10101002201196 and 10101002201205.

It is not an unprimeable number, because it can be changed into a prime (10101002201221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197105571 + ... + 197156810.

It is an arithmetic number, because the mean of its divisors is an integer number (342219747576).

Almost surely, 210101002201220 is an apocalyptic number.

10101002201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101002201220 is an abundant number, since it is smaller than the sum of its proper divisors (22752093566076).

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

10101002201220 is a wasteful number, since it uses less digits than its factorization.

10101002201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394262461 (or 394262459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10101002201220 its reverse (2210220010101), we get a palindrome (12311222211321).

The spelling of 10101002201220 in words is "ten trillion, one hundred one billion, two million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 61 70 84 105 122 140 183 210 244 305 366 420 427 610 732 854 915 1220 1281 1708 1830 2135 2562 3660 4270 5124 6405 8540 12810 25620 394262381 788524762 1182787143 1577049524 1971311905 2365574286 2759836667 3942623810 4731148572 5519673334 5913935715 7885247620 8279510001 11039346668 11827871430 13799183335 16559020002 23655742860 24050005241 27598366670 33118040004 41397550005 48100010482 55196733340 72150015723 82795100010 96200020964 120250026205 144300031446 165590200020 168350036687 240500052410 288600062892 336700073374 360750078615 481000104820 505050110061 673400146748 721500157230 841750183435 1010100220122 1443000314460 1683500366870 2020200440244 2525250550305 3367000733740 5050501100610 10101002201220