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112211102212220 = 225113146916208029
BaseRepresentation
bin11001100000111000101110…
…111000110010000001111100
3112201022021110122110010121202
4121200320232320302001330
5104201431314131242340
61034353022501515032
732430661501312364
oct3140705670620174
9481267418403552
10112211102212220
1132832508952580
121070331b112a78
134a7c5cccb8a2b
141d9d09118b9a4
15ce8d05693c15
hex660e2ee3207c

112211102212220 has 48 divisors (see below), whose sum is σ = 257073618866400. Its totient is φ = 40802738008320.

The previous prime is 112211102212109. The next prime is 112211102212273. The reversal of 112211102212220 is 22212201112211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112211102212192 and 112211102212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180835 + ... + 15027194.

It is an arithmetic number, because the mean of its divisors is an integer number (5355700393050).

Almost surely, 2112211102212220 is an apocalyptic number.

112211102212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211102212220 is an abundant number, since it is smaller than the sum of its proper divisors (144862516654180).

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

112211102212220 is a wasteful number, since it uses less digits than its factorization.

112211102212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239518 (or 16239516 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112211102212220 its reverse (22212201112211), we get a palindrome (134423303324431).

The spelling of 112211102212220 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 31469 62938 125876 157345 314690 346159 629380 692318 1384636 1730795 3461590 6923180 16208029 32416058 64832116 81040145 162080290 178288319 324160580 356576638 713153276 891441595 1782883190 3565766380 510050464601 1020100929202 2040201858404 2550252323005 5100504646010 5610555110611 10201009292020 11221110221222 22442220442444 28052775553055 56105551106110 112211102212220