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212111101020200 = 23524612300554241
BaseRepresentation
bin110000001110100111110110…
…110101000100100000101000
31000211000121211022212202111212
4300032213312311010200220
5210300212013330121300
62031042254500012252
762451343550403104
oct6016476665044050
91024017738782455
10212111101020200
11616488a388a008
121b958676691088
139147cb62c57b5
143a54336b0c904
15197c76aa90935
hexc0e9f6d44828

212111101020200 has 48 divisors (see below), whose sum is σ = 494228067808860. Its totient is φ = 84660396032000.

The previous prime is 212111101020193. The next prime is 212111101020227. The reversal of 212111101020200 is 2020101111212.

It can be written as a sum of positive squares in 6 ways, for example, as 5899720376356 + 206211380643844 = 2428934^2 + 14360062^2 .

It is a super-2 number, since 2×2121111010202002 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150184921 + ... + 1150369320.

Almost surely, 2212111101020200 is an apocalyptic number.

212111101020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111101020200 is an abundant number, since it is smaller than the sum of its proper divisors (282116966788660).

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

212111101020200 is a wasteful number, since it uses less digits than its factorization.

212111101020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300554718 (or 2300554709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212111101020200 its reverse (2020101111212), we get a palindrome (214131202131412).

The spelling of 212111101020200 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred one million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 461 922 1844 2305 3688 4610 9220 11525 18440 23050 46100 92200 2300554241 4601108482 9202216964 11502771205 18404433928 23005542410 46011084820 57513856025 92022169640 115027712050 230055424100 460110848200 1060555505101 2121111010202 4242222020404 5302777525505 8484444040808 10605555051010 21211110102020 26513887627525 42422220204040 53027775255050 106055550510100 212111101020200