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112111111212011 = 528157833670957
BaseRepresentation
bin11001011111011011100110…
…111101011000101111101011
3112200221201101002202000202122
4121133123212331120233223
5104143312023432241021
61034235044455421455
732420521563656342
oct3137334675305753
9480851332660678
10112111111212011
11327a406760411a
12106a7a7438488b
134a7305630a812
141d982c73d0b59
15ce6402135bab
hex65f6e6f58beb

112111111212011 has 8 divisors (see below), whose sum is σ = 112151760902304. Its totient is φ = 112070468885760.

The previous prime is 112111111212007. The next prime is 112111111212013. The reversal of 112111111212011 is 110212111111211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 112111111212011 - 22 = 112111111212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111111212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28704545 + ... + 32375501.

It is an arithmetic number, because the mean of its divisors is an integer number (14018970112788).

Almost surely, 2112111111212011 is an apocalyptic number.

112111111212011 is a deficient number, since it is larger than the sum of its proper divisors (40649690293).

112111111212011 is an equidigital number, since it uses as much as digits as its factorization.

112111111212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682021.

The product of its (nonzero) digits is 8, while the sum is 17.

Adding to 112111111212011 its reverse (110212111111211), we get a palindrome (222323222323222).

The spelling of 112111111212011 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred eleven million, two hundred twelve thousand, eleven".

Divisors: 1 5281 5783 3670957 30540023 19386323917 21229144331 112111111212011