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121310103012211 = 1728375473341083
BaseRepresentation
bin11011100101010010110101…
…100110010000001101110011
3120220112010120122201200111001
4123211102311212100031303
5111400021042332342321
61110001031511102431
734360236304066621
oct3345226546201563
9526463518650431
10121310103012211
1135720364669a73
1211732864071a17
13528c65566b139
1421d5624314511
15e0584a4d5c91
hex6e54b5990373

121310103012211 has 16 divisors (see below), whose sum is σ = 128916982387584. Its totient is φ = 113755663131264.

The previous prime is 121310103012169. The next prime is 121310103012221. The reversal of 121310103012211 is 112210301013121.

It is a cyclic number.

It is not a de Polignac number, because 121310103012211 - 219 = 121310102487923 is a prime.

It is a super-2 number, since 2×1213101030122112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121310103012221) 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, 34638076 + ... + 37979158.

It is an arithmetic number, because the mean of its divisors is an integer number (8057311399224).

Almost surely, 2121310103012211 is an apocalyptic number.

121310103012211 is a deficient number, since it is larger than the sum of its proper divisors (7606879375373).

121310103012211 is a wasteful number, since it uses less digits than its factorization.

121310103012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348930.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 121310103012211 its reverse (112210301013121), we get a palindrome (233520404025332).

The spelling of 121310103012211 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, twelve thousand, two hundred eleven".

Divisors: 1 17 283 4811 7547 128299 2135801 3341083 36308617 56798411 945526489 16073950313 25215153401 428657607817 7135888412483 121310103012211