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111112010112211 = 293831448624559
BaseRepresentation
bin11001010000111001000111…
…111001001001110011010011
3112120102012112000202110112121
4121100321013321021303103
5104030424344042042321
61032152052555435111
732255402122515523
oct3120710771116323
9476365460673477
10111112010112211
113244938002a259
1210566303455a97
1349cca82341bb4
141d61bc84d9683
15cca429780441
hex650e47e49cd3

111112010112211 has 4 divisors (see below), whose sum is σ = 114943458736800. Its totient is φ = 107280561487624.

The previous prime is 111112010112209. The next prime is 111112010112251. The reversal of 111112010112211 is 112211010211111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111112010112211 - 21 = 111112010112209 is a prime.

It is a super-2 number, since 2×1111120101122112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112010112251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915724312251 + ... + 1915724312308.

It is an arithmetic number, because the mean of its divisors is an integer number (28735864684200).

Almost surely, 2111112010112211 is an apocalyptic number.

111112010112211 is a deficient number, since it is larger than the sum of its proper divisors (3831448624589).

111112010112211 is an equidigital number, since it uses as much as digits as its factorization.

111112010112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831448624588.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111112010112211 its reverse (112211010211111), we get a palindrome (223323020323322).

The spelling of 111112010112211 in words is "one hundred eleven trillion, one hundred twelve billion, ten million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 29 3831448624559 111112010112211