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12111113313011 = 431336721070831
BaseRepresentation
bin1011000000111101011010…
…0110110101101011110011
31120212210220022101020111202
42300033112212311223303
53041412030002004021
641431434010001415
72356666451414336
oct260172646655363
946783808336452
1012111113313011
11394a326802509
12143726b41626b
1369b0c474bc8b
142dc2769a861d
15160087b2da0b
hexb03d69b5af3

12111113313011 has 8 divisors (see below), whose sum is σ = 12393694815744. Its totient is φ = 11828573978760.

The previous prime is 12111113313001. The next prime is 12111113313067. The reversal of 12111113313011 is 11031331111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12111113313011 is a prime.

It is a super-2 number, since 2×121111133130112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111113313001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9960635 + ... + 11110196.

It is an arithmetic number, because the mean of its divisors is an integer number (1549211851968).

Almost surely, 212111113313011 is an apocalyptic number.

12111113313011 is a deficient number, since it is larger than the sum of its proper divisors (282581502733).

12111113313011 is a wasteful number, since it uses less digits than its factorization.

12111113313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21084241.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 12111113313011 its reverse (11031331111121), we get a palindrome (23142444424132).

The spelling of 12111113313011 in words is "twelve trillion, one hundred eleven billion, one hundred thirteen million, three hundred thirteen thousand, eleven".

Divisors: 1 43 13367 574781 21070831 906045733 281653797977 12111113313011