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1102112212220 = 225304918073339
BaseRepresentation
bin10000000010011011000…
…000011100010011111100
310220100202002120021011222
4100002123000130103330
5121024111211242340
62202145305332512
7142424240143445
oct20023300342374
93810662507158
101102112212220
11395448680328
1215971b197138
137cc0c5808a6
143b4b1c122cc
151da0612b8b5
hex1009b01c4fc

1102112212220 has 24 divisors (see below), whose sum is σ = 2315194854000. Its totient is φ = 440700273792.

The previous prime is 1102112212171. The next prime is 1102112212259. The reversal of 1102112212220 is 222122112011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8975690 + ... + 9097649.

It is an arithmetic number, because the mean of its divisors is an integer number (96466452250).

Almost surely, 21102112212220 is an apocalyptic number.

1102112212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102112212220 is an abundant number, since it is smaller than the sum of its proper divisors (1213082641780).

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

1102112212220 is a wasteful number, since it uses less digits than its factorization.

1102112212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076397 (or 18076395 counting only the distinct ones).

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

Adding to 1102112212220 its reverse (222122112011), we get a palindrome (1324234324231).

The spelling of 1102112212220 in words is "one trillion, one hundred two billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3049 6098 12196 15245 30490 60980 18073339 36146678 72293356 90366695 180733390 361466780 55105610611 110211221222 220422442444 275528053055 551056106110 1102112212220