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21110210001120 = 2535231912156703
BaseRepresentation
bin1001100110011000110101…
…00100010111100011100000
32202202010010211110001220010
410303030122210113203200
510231332202230013440
6112521521355244520
74306106453231352
oct463143244274340
982663124401803
1021110210001120
1167a9876226a89
12244b372749740
13ba18b8425996
1452da4d7110d2
152691d1d77580
hex13331a9178e0

21110210001120 has 96 divisors (see below), whose sum is σ = 69388342474752. Its totient is φ = 5384633272832.

The previous prime is 21110210001103. The next prime is 21110210001151. The reversal of 21110210001120 is 2110001201112.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 21110210001096 and 21110210001105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956067312 + ... + 956089391.

It is an arithmetic number, because the mean of its divisors is an integer number (722795234112).

Almost surely, 221110210001120 is an apocalyptic number.

21110210001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110210001120 is an abundant number, since it is smaller than the sum of its proper divisors (48278132473632).

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

21110210001120 is a wasteful number, since it uses less digits than its factorization.

21110210001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912156744 (or 1912156736 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21110210001120 its reverse (2110001201112), we get a palindrome (23220211202232).

The spelling of 21110210001120 in words is "twenty-one trillion, one hundred ten billion, two hundred ten million, one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2760 3680 5520 11040 1912156703 3824313406 5736470109 7648626812 9560783515 11472940218 15297253624 19121567030 22945880436 28682350545 30594507248 38243134060 43979604169 45891760872 57364701090 61189014496 76486268120 87959208338 91783521744 114729402180 131938812507 152972536240 175918416676 183567043488 219898020845 229458804360 263877625014 305945072480 351836833352 439796041690 458917608720 527755250028 659694062535 703673666704 879592083380 917835217440 1055510500056 1319388125070 1407347333408 1759184166760 2111021000112 2638776250140 3518368333520 4222042000224 5277552500280 7036736667040 10555105000560 21110210001120