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121120334220 = 223521195310039
BaseRepresentation
bin111000011001101010…
…1011010000110001100
3102120122002021111010110
41300303111122012030
53441023301143340
6131350353040020
711515321565634
oct1606325320614
9376562244113
10121120334220
11474042a8876
121b582b56010
13b563337622
145c100596c4
15323d506680
hex1c3355a18c

121120334220 has 96 divisors (see below), whose sum is σ = 341135746560. Its totient is φ = 32108751360.

The previous prime is 121120334219. The next prime is 121120334297. The reversal of 121120334220 is 22433021121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12059961 + ... + 12069999.

It is an arithmetic number, because the mean of its divisors is an integer number (3553497360).

Almost surely, 2121120334220 is an apocalyptic number.

121120334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120334220 is an abundant number, since it is smaller than the sum of its proper divisors (220015412340).

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

121120334220 is a wasteful number, since it uses less digits than its factorization.

121120334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121120334220 its reverse (22433021121), we get a palindrome (143553355341).

It can be divided in two parts, 121 and 120334220, that added together give a triangular number (120334341 = T15513).

The spelling of 121120334220 in words is "one hundred twenty-one billion, one hundred twenty million, three hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 211 422 633 844 953 1055 1266 1906 2110 2532 2859 3165 3812 4220 4765 5718 6330 9530 10039 11436 12660 14295 19060 20078 28590 30117 40156 50195 57180 60234 100390 120468 150585 200780 201083 301170 402166 602340 603249 804332 1005415 1206498 2010830 2118229 2412996 3016245 4021660 4236458 6032490 6354687 8472916 9567167 10591145 12064980 12709374 19134334 21182290 25418748 28701501 31773435 38268668 42364580 47835835 57403002 63546870 95671670 114806004 127093740 143507505 191343340 287015010 574030020 2018672237 4037344474 6056016711 8074688948 10093361185 12112033422 20186722370 24224066844 30280083555 40373444740 60560167110 121120334220