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11221232210 = 251122123221
BaseRepresentation
bin10100111001101011…
…00110101001010010
31001222000201122202222
422130311212221102
5140440113412320
65053245541042
7545033620466
oct123465465122
931860648688
1011221232210
114839102931
122211b74782
13109aa06b96
1478641c4a6
1545a1de825
hex29cd66a52

11221232210 has 8 divisors (see below), whose sum is σ = 20198217996. Its totient is φ = 4488492880.

The previous prime is 11221232147. The next prime is 11221232257. The reversal of 11221232210 is 1223212211.

11221232210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10993312801 + 227919409 = 104849^2 + 15097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561061601 + ... + 561061620.

Almost surely, 211221232210 is an apocalyptic number.

11221232210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221232210 is a deficient number, since it is larger than the sum of its proper divisors (8976985786).

11221232210 is a wasteful number, since it uses less digits than its factorization.

11221232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122123228.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11221232210 its reverse (1223212211), we get a palindrome (12444444421).

The spelling of 11221232210 in words is "eleven billion, two hundred twenty-one million, two hundred thirty-two thousand, two hundred ten".

Divisors: 1 2 5 10 1122123221 2244246442 5610616105 11221232210