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10221010022220 = 22351714277022143
BaseRepresentation
bin1001010010111100001110…
…1010111110111101001100
31100012010012202120122120220
42110233003222332331030
52314430112031202340
633423244524511340
72103305104500354
oct224570352767514
940163182518526
1010221010022220
113290784772948
121190a976ab550
13591ab618b1ba
142749b16d1b64
1512ad12b43ed0
hex94bc3abef4c

10221010022220 has 96 divisors (see below), whose sum is σ = 30323527815168. Its totient is φ = 2563475069952.

The previous prime is 10221010022213. The next prime is 10221010022243. The reversal of 10221010022220 is 2222001012201.

It is a super-3 number, since 3×102210100222203 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10221010022220.

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, 2055532 + ... + 4966611.

It is an arithmetic number, because the mean of its divisors is an integer number (315870081408).

Almost surely, 210221010022220 is an apocalyptic number.

10221010022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221010022220 is an abundant number, since it is smaller than the sum of its proper divisors (20102517792948).

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

10221010022220 is a wasteful number, since it uses less digits than its factorization.

10221010022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023599 (or 7023597 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10221010022220 its reverse (2222001012201), we get a palindrome (12443011034421).

The spelling of 10221010022220 in words is "ten trillion, two hundred twenty-one billion, ten million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1427 2854 4281 5708 7135 8562 14270 17124 21405 24259 28540 42810 48518 72777 85620 97036 121295 145554 242590 291108 363885 485180 727770 1455540 7022143 14044286 21066429 28088572 35110715 42132858 70221430 84265716 105332145 119376431 140442860 210664290 238752862 358129293 421328580 477505724 596882155 716258586 1193764310 1432517172 1790646465 2387528620 3581292930 7162585860 10020598061 20041196122 30061794183 40082392244 50102990305 60123588366 100205980610 120247176732 150308970915 170350167037 200411961220 300617941830 340700334074 511050501111 601235883660 681400668148 851750835185 1022101002222 1703501670370 2044202004444 2555252505555 3407003340740 5110505011110 10221010022220