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22101020110220 = 2257390131679539
BaseRepresentation
bin1010000011001110010110…
…11100111110110110001100
32220020211121002110200000112
411001213023130332312030
510344100342122011340
6115001022442415152
74440513611214512
oct501471334766614
986224532420015
1022101020110220
117050a98752917
12258b3aab014b8
13c4416a7b634c
145659a34324b2
15284d71903065
hex1419cb73ed8c

22101020110220 has 48 divisors (see below), whose sum is σ = 47053173024480. Its totient is φ = 8718333958656.

The previous prime is 22101020110207. The next prime is 22101020110223. The reversal of 22101020110220 is 2201102010122.

It is a super-3 number, since 3×221010201102203 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22101020110195 and 22101020110204.

It is not an unprimeable number, because it can be changed into a prime (22101020110223) 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, 12319211 + ... + 13998749.

It is an arithmetic number, because the mean of its divisors is an integer number (980274438010).

Almost surely, 222101020110220 is an apocalyptic number.

22101020110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101020110220 is an abundant number, since it is smaller than the sum of its proper divisors (24952152914260).

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

22101020110220 is a wasteful number, since it uses less digits than its factorization.

22101020110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688634 (or 1688632 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101020110220 its reverse (2201102010122), we get a palindrome (24302122120342).

The spelling of 22101020110220 in words is "twenty-two trillion, one hundred one billion, twenty million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 9013 18026 36052 45065 90130 180260 657949 1315898 1679539 2631796 3289745 3359078 6579490 6718156 8397695 13158980 16795390 33590780 122606347 245212694 490425388 613031735 1226063470 2452126940 15137685007 30275370014 60550740028 75688425035 151376850070 302753700140 1105051005511 2210102011022 4420204022044 5525255027555 11050510055110 22101020110220