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10012101222220 = 22547107263378493
BaseRepresentation
bin1001000110110001111110…
…1111001001111101001100
31022110010222112211000221221
42101230133233021331030
52303014240403102340
633143255032133124
72052231126133456
oct221543757117514
938403875730857
1010012101222220
113210121141419
1211584b45371a4
135781a2270c46
142688343792d6
1512568750a44a
hex91b1fbc9f4c

10012101222220 has 96 divisors (see below), whose sum is σ = 21755907790848. Its totient is φ = 3868224575232.

The previous prime is 10012101222091. The next prime is 10012101222313. The reversal of 10012101222220 is 2222210121001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10012101222194 and 10012101222203.

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, 26263294 + ... + 26641786.

It is an arithmetic number, because the mean of its divisors is an integer number (226624039488).

Almost surely, 210012101222220 is an apocalyptic number.

10012101222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012101222220 is an abundant number, since it is smaller than the sum of its proper divisors (11743806568628).

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

10012101222220 is a wasteful number, since it uses less digits than its factorization.

10012101222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378919 (or 378917 counting only the distinct ones).

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

Adding to 10012101222220 its reverse (2222210121001), we get a palindrome (12234311343221).

The spelling of 10012101222220 in words is "ten trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 107 188 214 235 263 428 470 526 535 940 1052 1070 1315 2140 2630 5029 5260 10058 12361 20116 24722 25145 28141 49444 50290 56282 61805 100580 112564 123610 140705 247220 281410 378493 562820 756986 1322627 1513972 1892465 2645254 3784930 5290508 6613135 7569860 13226270 17789171 26452540 35578342 40498751 71156684 80997502 88945855 99543659 161995004 177891710 199087318 202493755 355783420 398174636 404987510 497718295 809975020 995436590 1903441297 1990873180 3806882594 4678551973 7613765188 9357103946 9517206485 10651171513 18714207892 19034412970 21302343026 23392759865 38068825940 42604686052 46785519730 53255857565 93571039460 106511715130 213023430260 500605061111 1001210122222 2002420244444 2503025305555 5006050611110 10012101222220