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2122210102220 = 2251312976293251
BaseRepresentation
bin11110111000011101100…
…101000100101111001100
321111212210110201021202022
4132320131211010233030
5234232241241232340
64302532503345312
7306216226143125
oct36703545045714
97455713637668
102122210102220
1174902a30546a
122a336ba52238
1312517b5a9320
1474a0354304c
153a30bee83b5
hex1ee1d944bcc

2122210102220 has 48 divisors (see below), whose sum is σ = 4803160964448. Its totient is φ = 782980992000.

The previous prime is 2122210102219. The next prime is 2122210102237. The reversal of 2122210102220 is 222010122212.

It is a happy 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, 2809406 + ... + 3483845.

It is an arithmetic number, because the mean of its divisors is an integer number (100065853426).

Almost surely, 22122210102220 is an apocalyptic number.

2122210102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122210102220 is an abundant number, since it is smaller than the sum of its proper divisors (2680950862228).

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

2122210102220 is a wasteful number, since it uses less digits than its factorization.

2122210102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294570 (or 6294568 counting only the distinct ones).

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

Adding to 2122210102220 its reverse (222010122212), we get a palindrome (2344220224432).

The spelling of 2122210102220 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1297 2594 5188 6485 12970 16861 25940 33722 67444 84305 168610 337220 6293251 12586502 25173004 31466255 62932510 81812263 125865020 163624526 327249052 409061315 818122630 1636245260 8162346547 16324693094 32649386188 40811732735 81623465470 106110505111 163246930940 212221010222 424442020444 530552525555 1061105051110 2122210102220