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222211201220120 = 23572807891403323
BaseRepresentation
bin110010100001100110010011…
…101101101011111000011000
31002010210011221200022001001002
4302201212103231223320120
5213111202020003020440
62104334225551444132
764543141500523100
oct6241462355537030
91063704850261032
10222211201220120
1164892272066882
1220b0a029826648
1396cb570944238
143cc3118302200
151aa5353912115
hexca1993b6be18

222211201220120 has 96 divisors (see below), whose sum is σ = 581611420774800. Its totient is φ = 76185700238592.

The previous prime is 222211201220059. The next prime is 222211201220131. The reversal of 222211201220120 is 21022102112222.

222211201220120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222211201220092 and 222211201220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157644779 + ... + 159048101.

Almost surely, 2222211201220120 is an apocalyptic number.

222211201220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211201220120 is an abundant number, since it is smaller than the sum of its proper divisors (359400219554680).

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

222211201220120 is a wasteful number, since it uses less digits than its factorization.

222211201220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484137 (or 1484126 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222211201220120 its reverse (21022102112222), we get a palindrome (243233303332342).

The spelling of 222211201220120 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred one million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 80789 161578 323156 403945 565523 646312 807890 1131046 1403323 1615780 2262092 2806646 2827615 3231560 3958661 4524184 5613292 5655230 7016615 7917322 9823261 11226584 11310460 14033230 15834644 19646522 19793305 22620920 28066460 31669288 39293044 39586610 49116305 56132920 68762827 78586088 79173220 98232610 137525654 158346440 196465220 275051308 343814135 392930440 550102616 687628270 1375256540 2750513080 113373061847 226746123694 453492247388 566865309235 793611432929 906984494776 1133730618470 1587222865858 2267461236940 3174445731716 3968057164645 4534922473880 5555280030503 6348891463432 7936114329290 11110560061006 15872228658580 22221120122012 27776400152515 31744457317160 44442240244024 55552800305030 111105600610060 222211201220120