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121023320001100 = 225211409269000489
BaseRepresentation
bin11011100001000111101111…
…111111111000101001001100
3120212111201100020220020222221
4123201013233333320221030
5111330321224410013400
61105221202355545124
734330434455524456
oct3341075777705114
9525451306806887
10121023320001100
113561a77a084090
12116a7168bbb1a4
13526b5b0b6621a
1421c57ba6a32d6
15ded16333bc1a
hex6e11efff8a4c

121023320001100 has 72 divisors (see below), whose sum is σ = 287195683143600. Its totient is φ = 43900879641600.

The previous prime is 121023320001049. The next prime is 121023320001131. The reversal of 121023320001100 is 1100023320121.

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, 134050345 + ... + 134950144.

It is an arithmetic number, because the mean of its divisors is an integer number (3988828932550).

Almost surely, 2121023320001100 is an apocalyptic number.

121023320001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121023320001100 is an abundant number, since it is smaller than the sum of its proper divisors (166172363142500).

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

121023320001100 is a wasteful number, since it uses less digits than its factorization.

121023320001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269000923 (or 269000916 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121023320001100 its reverse (1100023320121), we get a palindrome (122123343321221).

The spelling of 121023320001100 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred twenty million, one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 409 550 818 1100 1636 2045 4090 4499 8180 8998 10225 17996 20450 22495 40900 44990 89980 112475 224950 449900 269000489 538000978 1076001956 1345002445 2690004890 2959005379 5380009780 5918010758 6725012225 11836021516 13450024450 14795026895 26900048900 29590053790 59180107580 73975134475 110021200001 147950268950 220042400002 295900537900 440084800004 550106000005 1100212000010 1210233200011 2200424000020 2420466400022 2750530000025 4840932800044 5501060000050 6051166000055 11002120000100 12102332000110 24204664000220 30255830000275 60511660000550 121023320001100