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121102110210011 = 7219312805552523
BaseRepresentation
bin11011100010010001001000…
…010000101011011111011011
3120212210020201021120120121112
4123202101020100223133123
5111333114110203210021
61105321312535330535
734336224120331400
oct3342211020533733
9525706637516545
10121102110210011
11356501310a7217
12116ba497820a4b
135275b59459108
1421c95328c02a7
15e002254d8d5b
hex6e244842b7db

121102110210011 has 12 divisors (see below), whose sum is σ = 141603799810392. Its totient is φ = 103263975537408.

The previous prime is 121102110209989. The next prime is 121102110210113. The reversal of 121102110210011 is 110012011201121.

It is a de Polignac number, because none of the positive numbers 2k-121102110210011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102110210611) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6402766805 + ... + 6402785718.

It is an arithmetic number, because the mean of its divisors is an integer number (11800316650866).

Almost surely, 2121102110210011 is an apocalyptic number.

121102110210011 is a deficient number, since it is larger than the sum of its proper divisors (20501689600381).

121102110210011 is a wasteful number, since it uses less digits than its factorization.

121102110210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805552730 (or 12805552723 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121102110210011 its reverse (110012011201121), we get a palindrome (231114121411132).

The spelling of 121102110210011 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred ten million, two hundred ten thousand, eleven".

Divisors: 1 7 49 193 1351 9457 12805552523 89638867661 627472073627 2471471636939 17300301458573 121102110210011