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112221100211211 = 32162118234219513
BaseRepresentation
bin11001100001000010000010…
…110100000111110000001011
3112201100020021102110002212200
4121201002002310013300023
5104202112303123224321
61034401354533411243
732431464323021445
oct3141020264076013
9481306242402780
10112221100211211
1132836779520162
121070524b499b23
134a80534455474
141d9d75cd4d495
15ce91dd2a8d26
hex661082d07c0b

112221100211211 has 24 divisors (see below), whose sum is σ = 162286154100096. Its totient is φ = 74726882398080.

The previous prime is 112221100211197. The next prime is 112221100211287. The reversal of 112221100211211 is 112112001122211.

It is a happy number.

112221100211211 is a `hidden beast` number, since 1 + 12 + 221 + 10 + 0 + 211 + 211 = 666.

It is not a de Polignac number, because 112221100211211 - 225 = 112221066656779 is a prime.

It is a super-2 number, since 2×1122211002112112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112221100211291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24485991 + ... + 28705503.

It is an arithmetic number, because the mean of its divisors is an integer number (6761923087504).

Almost surely, 2112221100211211 is an apocalyptic number.

112221100211211 is a deficient number, since it is larger than the sum of its proper divisors (50065053888885).

112221100211211 is a wasteful number, since it uses less digits than its factorization.

112221100211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222963 (or 4222960 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112221100211211 its reverse (112112001122211), we get a palindrome (224333101333422).

The spelling of 112221100211211 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 3 9 1621 1823 4863 5469 14589 16407 2955083 4219513 8865249 12658539 26595747 37975617 6839830573 7692172199 20519491719 23076516597 61558475157 69229549791 12469011134579 37407033403737 112221100211211