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121101101212102 = 21119837874435259
BaseRepresentation
bin11011100010010000001100…
…000111101010000111000110
3120212210011002221222011200121
4123202100030013222013012
5111333110023402241402
61105321024453132154
734336160116103464
oct3342201407520706
9525704087864617
10121101101212102
113564a763598150
12116ba25592a05a
135275a283bb52b
1421c94788ad834
15e001b6b2b837
hex6e240c1ea1c6

121101101212102 has 64 divisors (see below), whose sum is σ = 211376685542400. Its totient is φ = 51455024750880.

The previous prime is 121101101212081. The next prime is 121101101212109. The reversal of 121101101212102 is 201212101101121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101101212109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25086549 + ... + 29521807.

It is an arithmetic number, because the mean of its divisors is an integer number (3302760711600).

Almost surely, 2121101101212102 is an apocalyptic number.

121101101212102 is a deficient number, since it is larger than the sum of its proper divisors (90275584330298).

121101101212102 is a wasteful number, since it uses less digits than its factorization.

121101101212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436161.

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

Adding to 121101101212102 its reverse (201212101101121), we get a palindrome (322313202313223).

The spelling of 121101101212102 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred one million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 11 19 22 38 83 166 209 418 787 913 1574 1577 1826 3154 8657 14953 17314 17347 29906 34694 65321 130642 164483 328966 718531 1241099 1437062 2482198 4435259 8870518 13652089 27304178 48787849 84269921 97575698 168539842 368126497 736252994 926969131 1853938262 3490548833 4049391467 6981097666 6994403443 8098782934 13988806886 38396037163 66320427827 76792074326 76938437873 132640855654 153876875746 289715553139 579431106278 729524706097 1459049412194 3186871084529 5504595509641 6373742169058 11009191019282 60550550606051 121101101212102