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121102310112200 = 235253113101103949
BaseRepresentation
bin11011100010010001010100…
…001011001111101111001000
3120212210021020012201122212022
4123202101110023033233020
5111333120012342042300
61105321344440104012
734336232065430534
oct3342212413175710
9525707205648768
10121102310112200
1135650223a2273a
12116ba532765008
135275b8b9aaa31
1421c9551278bc4
15e00237d24285
hex6e24542cfbc8

121102310112200 has 96 divisors (see below), whose sum is σ = 289414101033000. Its totient is φ = 47106351452160.

The previous prime is 121102310112197. The next prime is 121102310112211. The reversal of 121102310112200 is 2211013201121.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 4215983397796 + 116886326714404 = 2053286^2 + 10811398^2 .

It is a super-2 number, since 2×1211023101122002 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49354175 + ... + 51749774.

Almost surely, 2121102310112200 is an apocalyptic number.

121102310112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102310112200 is an abundant number, since it is smaller than the sum of its proper divisors (168311790920800).

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

121102310112200 is a wasteful number, since it uses less digits than its factorization.

121102310112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101104131 (or 101104122 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121102310112200 its reverse (2211013201121), we get a palindrome (123313323313321).

The spelling of 121102310112200 in words is "one hundred twenty-one trillion, one hundred two billion, three hundred ten million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 53 100 106 113 200 212 226 265 424 452 530 565 904 1060 1130 1325 2120 2260 2650 2825 4520 5300 5650 5989 10600 11300 11978 22600 23956 29945 47912 59890 119780 149725 239560 299450 598900 1197800 101103949 202207898 404415796 505519745 808831592 1011039490 2022078980 2527598725 4044157960 5055197450 5358509297 10110394900 10717018594 11424746237 20220789800 21434037188 22849492474 26792546485 42868074376 45698984948 53585092970 57123731185 91397969896 107170185940 114247462370 133962732425 214340371880 228494924740 267925464850 285618655925 456989849480 535850929700 571237311850 605511550561 1071701859400 1142474623700 1211023101122 2284949247400 2422046202244 3027557752805 4844092404488 6055115505610 12110231011220 15137788764025 24220462022440 30275577528050 60551155056100 121102310112200