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1102220212220 = 225521105779291
BaseRepresentation
bin10000000010100001011…
…100011011011111111100
310220101000121210020022222
4100002201130123133330
5121024321333242340
62202204124224512
7142430021135321
oct20024134333774
93811017706288
101102220212220
113954a3636326
1215974b39b138
137cc28a6580a
143b4c22c6b48
151da108618b5
hex100a171b7fc

1102220212220 has 24 divisors (see below), whose sum is σ = 2319105197808. Its totient is φ = 440041846400.

The previous prime is 1102220212199. The next prime is 1102220212273. The reversal of 1102220212220 is 222120222011.

It is a happy number.

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, 52879226 + ... + 52900065.

It is an arithmetic number, because the mean of its divisors is an integer number (96629383242).

Almost surely, 21102220212220 is an apocalyptic number.

1102220212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102220212220 is an abundant number, since it is smaller than the sum of its proper divisors (1216884985588).

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

1102220212220 is a wasteful number, since it uses less digits than its factorization.

1102220212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105779821 (or 105779819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1102220212220 its reverse (222120222011), we get a palindrome (1324340434231).

The spelling of 1102220212220 in words is "one trillion, one hundred two billion, two hundred twenty million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 521 1042 2084 2605 5210 10420 105779291 211558582 423117164 528896455 1057792910 2115585820 55111010611 110222021222 220444042444 275555053055 551110106110 1102220212220