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11101422222 = 2331185921757
BaseRepresentation
bin10100101011011001…
…00100001010001110
31001122200021200101000
422111230210022032
5140213431002342
65033330001130
7542050350312
oct122554441216
931580250330
1011101422222
114787510910
122199a161a6
13107bc485b7
14774551b42
1544e92544c
hex295b2428e

11101422222 has 64 divisors (see below), whose sum is σ = 26945107200. Its totient is φ = 3359996640.

The previous prime is 11101422217. The next prime is 11101422247. The reversal of 11101422222 is 22222410111.

11101422222 is a `hidden beast` number, since 11 + 10 + 1 + 422 + 222 = 666.

11101422222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111014222222 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11101422195 and 11101422204.

It is a congruent number.

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, 499368 + ... + 521124.

It is an arithmetic number, because the mean of its divisors is an integer number (421017300).

Almost surely, 211101422222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101422222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13472553600).

11101422222 is an abundant number, since it is smaller than the sum of its proper divisors (15843684978).

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

11101422222 is a wasteful number, since it uses less digits than its factorization.

11101422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22638 (or 22632 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11101422222 its reverse (22222410111), we get a palindrome (33323832333).

The spelling of 11101422222 in words is "eleven billion, one hundred one million, four hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 859 1718 2577 5154 7731 9449 15462 18898 21757 23193 28347 43514 46386 56694 65271 85041 130542 170082 195813 239327 255123 391626 478654 510246 587439 717981 1174878 1435962 2153943 4307886 6461829 12923658 18689263 37378526 56067789 112135578 168203367 205581893 336406734 411163786 504610101 616745679 1009220202 1233491358 1850237037 3700474074 5550711111 11101422222