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13101121022011 = 1119391911599469
BaseRepresentation
bin1011111010100101011110…
…1010100010100000111011
31201101110021122112200121221
42332221113222202200323
53204122043440201021
643510323311012511
72521344664166551
oct276512752424073
951343248480557
1013101121022011
1141a11772a9270
121577102b0a137
137405797c9199
14334151cd7bd1
1517abcc00b241
hexbea57aa283b

13101121022011 has 16 divisors (see below), whose sum is σ = 15044742777600. Its totient is φ = 11282967165600.

The previous prime is 13101121021979. The next prime is 13101121022023. The reversal of 13101121022011 is 11022012110131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13101121022011 - 25 = 13101121021979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101121022071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7391185 + ... + 8990653.

It is an arithmetic number, because the mean of its divisors is an integer number (940296423600).

Almost surely, 213101121022011 is an apocalyptic number.

13101121022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13101121022011 is a deficient number, since it is larger than the sum of its proper divisors (1943621755589).

13101121022011 is a wasteful number, since it uses less digits than its factorization.

13101121022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638690.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 13101121022011 its reverse (11022012110131), we get a palindrome (24123133132142).

The spelling of 13101121022011 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, twenty-two thousand, eleven".

Divisors: 1 11 19 209 39191 431101 744629 1599469 8190919 17594159 30389911 334289021 62684789579 689532685369 1191011002001 13101121022011