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112112011111111 = 1119875477993637
BaseRepresentation
bin11001011111011100011100…
…100110001110101011000111
3112200221210200211001122020221
4121133130130212032223013
5104143320344321023421
61034235314043405211
732420553101665024
oct3137343446165307
9480853624048227
10112112011111111
11327a4489577690
12106a8085823807
134a7316a89a2ab
141d98370b2254b
15ce6456142841
hex65f71c98eac7

112112011111111 has 16 divisors (see below), whose sum is σ = 122369104851840. Its totient is φ = 101865769166880.

The previous prime is 112112011111097. The next prime is 112112011111127. The reversal of 112112011111111 is 111111110211211.

It is a cyclic number.

It is not a de Polignac number, because 112112011111111 - 221 = 112112009013959 is a prime.

112112011111111 is a modest number, since divided by 11111111 gives 1121120 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112011111151) 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, 1197257785 + ... + 1197351421.

It is an arithmetic number, because the mean of its divisors is an integer number (7648069053240).

Almost surely, 2112112011111111 is an apocalyptic number.

112112011111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112112011111111 is a deficient number, since it is larger than the sum of its proper divisors (10257093740729).

112112011111111 is a wasteful number, since it uses less digits than its factorization.

112112011111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150414.

The product of its (nonzero) digits is 4, while the sum is 16.

Adding to 112112011111111 its reverse (111111110211211), we get a palindrome (223223121322322).

The spelling of 112112011111111 in words is "one hundred twelve trillion, one hundred twelve billion, eleven million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 11 1987 21857 54779 93637 602569 1030007 108845873 186056719 1197304603 2046623909 5129341223 56422753453 10192001010101 112112011111111