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2100020221112 = 231140958346861
BaseRepresentation
bin11110100011110010111…
…101011001010010111000
321102202112000112112100212
4132203302331121102320
5233401320134033422
64244422545250252
7304502313233162
oct36436275312270
97382460475325
102100020221112
1173a682738350
1229abb8633988
13123053303a68
14738da495932
153995ddad9e2
hex1e8f2f594b8

2100020221112 has 32 divisors (see below), whose sum is σ = 4305998415600. Its totient is φ = 952220755200.

The previous prime is 2100020221109. The next prime is 2100020221193. The reversal of 2100020221112 is 2111220200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29137439 + ... + 29209422.

Almost surely, 22100020221112 is an apocalyptic number.

2100020221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2100020221112 is an abundant number, since it is smaller than the sum of its proper divisors (2205978194488).

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

2100020221112 is a wasteful number, since it uses less digits than its factorization.

2100020221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58347287 (or 58347283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100020221112 its reverse (2111220200012), we get a palindrome (4211240421124).

The spelling of 2100020221112 in words is "two trillion, one hundred billion, twenty million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 409 818 1636 3272 4499 8998 17996 35992 58346861 116693722 233387444 466774888 641815471 1283630942 2567261884 5134523768 23863866149 47727732298 95455464596 190910929192 262502527639 525005055278 1050010110556 2100020221112