Search a number
-
+
11112202211 = 1116741914437
BaseRepresentation
bin10100101100101011…
…01011111111100011
31001200102120100201212
422112111223333203
5140224210432321
65034353020335
7542241105665
oct122625537743
931612510655
1011112202211
114792603aa0
1221a15546ab
1310812511a6
14775b5a535
1545085455b
hex29656bfe3

11112202211 has 16 divisors (see below), whose sum is σ = 12224943360. Its totient is φ = 10016851680.

The previous prime is 11112202187. The next prime is 11112202217. The reversal of 11112202211 is 11220221111.

It is not a de Polignac number, because 11112202211 - 26 = 11112202147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112202217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762485 + ... + 776921.

It is an arithmetic number, because the mean of its divisors is an integer number (764058960).

Almost surely, 211112202211 is an apocalyptic number.

11112202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11112202211 is a deficient number, since it is larger than the sum of its proper divisors (1112741149).

11112202211 is a wasteful number, since it uses less digits than its factorization.

11112202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15034.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112202211 its reverse (11220221111), we get a palindrome (22332423322).

It can be divided in two parts, 11 and 112202211, that multiplied together give a palindrome (1234224321).

The spelling of 11112202211 in words is "eleven billion, one hundred twelve million, two hundred two thousand, two hundred eleven".

Divisors: 1 11 167 419 1837 4609 14437 69973 158807 769703 2410979 6049103 26520769 66540133 1010200201 11112202211