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11221130 = 251122113
BaseRepresentation
bin101010110011…
…100010001010
3210010002111102
4222303202022
510333034010
61040301402
7164243444
oct52634212
923102442
1011221130
116374668
123911862
13242b62b
1416c1494
15eb9ba5
hexab388a

11221130 has 8 divisors (see below), whose sum is σ = 20198052. Its totient is φ = 4488448.

The previous prime is 11221127. The next prime is 11221141. The reversal of 11221130 is 3112211.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 5329 = 3349^2 + 73^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561047 + ... + 561066.

Almost surely, 211221130 is an apocalyptic number.

11221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221130 is a deficient number, since it is larger than the sum of its proper divisors (8976922).

11221130 is a wasteful number, since it uses less digits than its factorization.

11221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122120.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11221130 is about 3349.7955161472. The cubic root of 11221130 is about 223.8784017958.

Adding to 11221130 its reverse (3112211), we get a palindrome (14333341).

The spelling of 11221130 in words is "eleven million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 1122113 2244226 5610565 11221130