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11212020112120 = 2351016774099339
BaseRepresentation
bin1010001100101000000001…
…1110011101101011111000
31110200212011221220022210121
42203022000132131223320
52432144204122041440
635502421514223024
72235020211331102
oct243120036355370
943625157808717
1011212020112120
113632a9a069273
121310b6aa24a74
1363439aaca1b9
142aa943bcc572
151469b502334a
hexa328079daf8

11212020112120 has 64 divisors (see below), whose sum is σ = 25514456133600. Its totient is φ = 4433843980800.

The previous prime is 11212020112099. The next prime is 11212020112219. The reversal of 11212020112120 is 2121102021211.

It is a junction number, because it is equal to n+sod(n) for n = 11212020112094 and 11212020112103.

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, 685411 + ... + 4784749.

Almost surely, 211212020112120 is an apocalyptic number.

11212020112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212020112120 is an abundant number, since it is smaller than the sum of its proper divisors (14302436021480).

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

11212020112120 is a wasteful number, since it uses less digits than its factorization.

11212020112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100128 (or 4100124 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212020112120 its reverse (2121102021211), we get a palindrome (13333122133331).

The spelling of 11212020112120 in words is "eleven trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 677 808 1010 1354 2020 2708 3385 4040 5416 6770 13540 27080 68377 136754 273508 341885 547016 683770 1367540 2735080 4099339 8198678 16397356 20496695 32794712 40993390 81986780 163973560 414033239 828066478 1656132956 2070166195 2775252503 3312265912 4140332390 5550505006 8280664780 11101010012 13876262515 16561329560 22202020024 27752525030 55505050060 111010100120 280300502803 560601005606 1121202011212 1401502514015 2242404022424 2803005028030 5606010056060 11212020112120