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2112110021330 = 25387173545521
BaseRepresentation
bin11110101111000011100…
…100010100101011010010
321110220201120122000110022
4132233003210110223102
5234101100131140310
64254142343503442
7305411024651141
oct36570344245322
97426646560408
102112110021330
11744817054181
122a1411457b82
1312422bc4a5ba
1474325dab758
1539e1a46ba55
hex1ebc3914ad2

2112110021330 has 16 divisors (see below), whose sum is σ = 3801814826904. Its totient is φ = 844840277760.

The previous prime is 2112110021279. The next prime is 2112110021369. The reversal of 2112110021330 is 331200112112.

It can be written as a sum of positive squares in 4 ways, for example, as 2111246778169 + 863243161 = 1453013^2 + 29381^2 .

It is a super-2 number, since 2×21121100213302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112110021299 and 2112110021308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598970 + ... + 4144490.

Almost surely, 22112110021330 is an apocalyptic number.

2112110021330 is a deficient number, since it is larger than the sum of its proper divisors (1689704805574).

2112110021330 is a wasteful number, since it uses less digits than its factorization.

2112110021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932701.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2112110021330 its reverse (331200112112), we get a palindrome (2443310133442).

The spelling of 2112110021330 in words is "two trillion, one hundred twelve billion, one hundred ten million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 387173 545521 774346 1091042 1935865 2727605 3871730 5455210 211211002133 422422004266 1056055010665 2112110021330