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11220210112220 = 2253115033586267
BaseRepresentation
bin1010001101000110100010…
…1000110101011011011100
31110201122022201211102211122
42203101220220311123130
52432312442242042340
635510254322310112
72235430160226314
oct243215050653334
943648281742748
1011220210112220
11363651210959a
1213126757b8338
136350a4805ac5
142ab0bd7d4444
15146ce404edb5
hexa3468a356dc

11220210112220 has 48 divisors (see below), whose sum is σ = 23685205759488. Its totient is φ = 4464757719360.

The previous prime is 11220210112219. The next prime is 11220210112247. The reversal of 11220210112220 is 2221101202211.

It is a super-2 number, since 2×112202101122202 (a number of 27 digits) contains 22 as substring.

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, 1335527 + ... + 4921793.

It is an arithmetic number, because the mean of its divisors is an integer number (493441786656).

Almost surely, 211220210112220 is an apocalyptic number.

11220210112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220210112220 is an abundant number, since it is smaller than the sum of its proper divisors (12464995647268).

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

11220210112220 is a wasteful number, since it uses less digits than its factorization.

11220210112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587090 (or 3587088 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11220210112220 its reverse (2221101202211), we get a palindrome (13441311314431).

The spelling of 11220210112220 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 311 503 622 1006 1244 1555 2012 2515 3110 5030 6220 10060 156433 312866 625732 782165 1564330 3128660 3586267 7172534 14345068 17931335 35862670 71725340 1115329037 1803892301 2230658074 3607784602 4461316148 5576645185 7215569204 9019461505 11153290370 18038923010 22306580740 36077846020 561010505611 1122021011222 2244042022444 2805052528055 5610105056110 11220210112220