Search a number
-
+
11210112111 = 3113776911939
BaseRepresentation
bin10100111000010110…
…01011110001101111
31001221020210200212110
422130023023301233
5140424242041421
65052211335103
7544540244412
oct123413136157
931836720773
1011210112111
1148328a8170
12220a2b1493
131098612543
14784b65b79
15459244a76
hex29c2cbc6f

11210112111 has 32 divisors (see below), whose sum is σ = 16769491200. Its totient is φ = 6601236480.

The previous prime is 11210112059. The next prime is 11210112127. The reversal of 11210112111 is 11121101211.

It is not a de Polignac number, because 11210112111 - 214 = 11210095727 is a prime.

It is a super-2 number, since 2×112101121112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210112131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932980 + ... + 944918.

It is an arithmetic number, because the mean of its divisors is an integer number (524046600).

Almost surely, 211210112111 is an apocalyptic number.

11210112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11210112111 is a deficient number, since it is larger than the sum of its proper divisors (5559379089).

11210112111 is a wasteful number, since it uses less digits than its factorization.

11210112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11210112111 its reverse (11121101211), we get a palindrome (22331213322).

It can be divided in two parts, 11210 and 112111, that added together give a palindrome (123321).

The spelling of 11210112111 in words is "eleven billion, two hundred ten million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 3 11 33 37 111 407 769 1221 2307 8459 11939 25377 28453 35817 85359 131329 312983 393987 441743 938949 1325229 4859173 9181091 14577519 27543273 100992001 302976003 339700367 1019101101 3736704037 11210112111