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11221211330 = 2571971118831
BaseRepresentation
bin10100111001101011…
…00001100011000010
31001222000200121010122
422130311201203002
5140440112230310
65053245300242
7545033502560
oct123465414302
931860617118
1011221211330
11483909917a
122211b64682
13109a9ca524
14786414a30
1545a1d8555
hex29cd618c2

11221211330 has 64 divisors (see below), whose sum is σ = 24641003520. Its totient is φ = 3593419200.

The previous prime is 11221211299. The next prime is 11221211341. The reversal of 11221211330 is 3311212211.

It is a junction number, because it is equal to n+sod(n) for n = 11221211299 and 11221211308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35015 + ... + 153845.

It is an arithmetic number, because the mean of its divisors is an integer number (385015680).

Almost surely, 211221211330 is an apocalyptic number.

11221211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221211330 is an abundant number, since it is smaller than the sum of its proper divisors (13419792190).

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

11221211330 is a wasteful number, since it uses less digits than its factorization.

11221211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118935.

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

Adding to 11221211330 its reverse (3311212211), we get a palindrome (14532423541).

The spelling of 11221211330 in words is "eleven billion, two hundred twenty-one million, two hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 71 95 133 142 190 266 355 497 665 710 994 1330 1349 2485 2698 4970 6745 9443 13490 18886 47215 94430 118831 237662 594155 831817 1188310 1663634 2257789 4159085 4515578 8318170 8437001 11288945 15804523 16874002 22577890 31609046 42185005 59059007 79022615 84370010 118118014 158045230 160303019 295295035 320606038 590590070 801515095 1122121133 1603030190 2244242266 5610605665 11221211330