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11001121210 = 251100112121
BaseRepresentation
bin10100011111011011…
…11100100110111010
31001101200112212020201
422033231330212322
5140012241334320
65015344112414
7536421662452
oct121755744672
931350485221
1011001121210
114735934212
12217030570a
13106422aaa1
147650c2d62
15445c1170a
hex28fb7c9ba

11001121210 has 8 divisors (see below), whose sum is σ = 19802018196. Its totient is φ = 4400448480.

The previous prime is 11001121181. The next prime is 11001121217. The reversal of 11001121210 is 1212110011.

11001121210 is digitally balanced in base 5, 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 10353266001 + 647855209 = 101751^2 + 25453^2 .

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

It is a super-2 number, since 2×110011212102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1100112121 = 11001121210 / (1 + 1 + 0 + 0 + 1 + 1 + 2 + 1 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (11001121217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550056051 + ... + 550056070.

Almost surely, 211001121210 is an apocalyptic number.

11001121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001121210 is a deficient number, since it is larger than the sum of its proper divisors (8800896986).

11001121210 is a wasteful number, since it uses less digits than its factorization.

11001121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100112128.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11001121210 its reverse (1212110011), we get a palindrome (12213231221).

The spelling of 11001121210 in words is "eleven billion, one million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 1100112121 2200224242 5500560605 11001121210