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2101021110222 = 238272411175621
BaseRepresentation
bin11110100100101110100…
…111011110111111001110
321102212002202212222002220
4132210232213132333032
5233410342401011342
64245110142000210
7304536155526216
oct36445647367716
97385082788086
102101021110222
11740046709131
1229b237876066
13123182792838
1473993395246
15399bbbb85ec
hex1e92e9defce

2101021110222 has 32 divisors (see below), whose sum is σ = 4208892223104. Its totient is φ = 699199418400.

The previous prime is 2101021110197. The next prime is 2101021110239. The reversal of 2101021110222 is 2220111201012.

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, 11875572 + ... + 12051192.

It is an arithmetic number, because the mean of its divisors is an integer number (131527881972).

Almost surely, 22101021110222 is an apocalyptic number.

2101021110222 is an abundant number, since it is smaller than the sum of its proper divisors (2107871112882).

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

2101021110222 is a wasteful number, since it uses less digits than its factorization.

2101021110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178864.

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

Adding to 2101021110222 its reverse (2220111201012), we get a palindrome (4321132311234).

The spelling of 2101021110222 in words is "two trillion, one hundred one billion, twenty-one million, one hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 827 1654 2411 2481 4822 4962 7233 14466 175621 351242 526863 1053726 1993897 3987794 5981691 11963382 145238567 290477134 423422231 435715701 846844462 871431402 1270266693 2540533386 350170185037 700340370074 1050510555111 2101021110222