Search a number
-
+
11221011011 = 74481357733
BaseRepresentation
bin10100111001101001…
…10000101001000011
31001222000022102100102
422130310300221003
5140440034323021
65053241113015
7545032006550
oct123464605103
931860272312
1011221011011
114838a71721
122211a8876b
13109a95a2b2
147863a1a27
1545a19900b
hex29cd30a43

11221011011 has 8 divisors (see below), whose sum is σ = 12826910304. Its totient is φ = 9615836160.

The previous prime is 11221011001. The next prime is 11221011029. The reversal of 11221011011 is 11011012211.

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

It is a de Polignac number, because none of the positive numbers 2k-11221011011 is a prime.

It is a super-2 number, since 2×112210110112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221010983 and 11221011001.

It is not an unprimeable number, because it can be changed into a prime (11221011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147500 + ... + 210233.

It is an arithmetic number, because the mean of its divisors is an integer number (1603363788).

Almost surely, 211221011011 is an apocalyptic number.

11221011011 is a deficient number, since it is larger than the sum of its proper divisors (1605899293).

11221011011 is an equidigital number, since it uses as much as digits as its factorization.

11221011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362221.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11221011011 its reverse (11011012211), we get a palindrome (22232023222).

The spelling of 11221011011 in words is "eleven billion, two hundred twenty-one million, eleven thousand, eleven".

Divisors: 1 7 4481 31367 357733 2504131 1603001573 11221011011