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112121202010020 = 223571069124970091
BaseRepresentation
bin11001011111100101000000…
…011010101110011110100100
3112200222200102100100200100020
4121133211000122232132210
5104143443210203310040
61034243434044315140
732421326623226460
oct3137450032563644
9480880370320306
10112121202010020
11327a83755a5005
12106a9a0b842ab0
134a73ca3a69208
141d989a362b4a0
15ce67e2e7bcd0
hex65f9406ae7a4

112121202010020 has 96 divisors (see below), whose sum is σ = 358821420604416. Its totient is φ = 25625305161600.

The previous prime is 112121202010009. The next prime is 112121202010079. The reversal of 112121202010020 is 20010202121211.

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

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, 7994826 + ... + 16975265.

It is an arithmetic number, because the mean of its divisors is an integer number (3737723131296).

Almost surely, 2112121202010020 is an apocalyptic number.

112121202010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121202010020 is an abundant number, since it is smaller than the sum of its proper divisors (246700218594396).

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

112121202010020 is a wasteful number, since it uses less digits than its factorization.

112121202010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24980801 (or 24980799 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112121202010020 its reverse (20010202121211), we get a palindrome (132131404131231).

The spelling of 112121202010020 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred two million, ten thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 10691 21382 32073 42764 53455 64146 74837 106910 128292 149674 160365 213820 224511 299348 320730 374185 449022 641460 748370 898044 1122555 1496740 2245110 4490220 24970091 49940182 74910273 99880364 124850455 149820546 174790637 249700910 299641092 349581274 374551365 499401820 524371911 699162548 749102730 873953185 1048743822 1498205460 1747906370 2097487644 2621859555 3495812740 5243719110 10487438220 266955242881 533910485762 800865728643 1067820971524 1334776214405 1601731457286 1868686700167 2669552428810 3203462914572 3737373400334 4004328643215 5339104857620 5606060100501 7474746800668 8008657286430 9343433500835 11212120201002 16017314572860 18686867001670 22424240402004 28030300502505 37373734003340 56060601005010 112121202010020