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111211111200223 = 643479936040139
BaseRepresentation
bin11001010010010101011010…
…110001110011010111011111
3112120202200022112221100100201
4121102111122301303113133
5104034040323431401343
61032305402412004331
732265511003046416
oct3122253261632737
9476680275840321
10111211111200223
1132487405006491
12105815601606a7
134a09216849248
141d6690a00447d
15ccccc9b0594d
hex65255ac735df

111211111200223 has 8 divisors (see below), whose sum is σ = 111407280768000. Its totient is φ = 111015013723608.

The previous prime is 111211111200199. The next prime is 111211111200281. The reversal of 111211111200223 is 322002111112111.

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-111211111200223 is a prime.

It is a super-2 number, since 2×1112111112002232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111211111200223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211151200223) 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, 14934313 + ... + 21105826.

It is an arithmetic number, because the mean of its divisors is an integer number (13925910096000).

Almost surely, 2111211111200223 is an apocalyptic number.

111211111200223 is a deficient number, since it is larger than the sum of its proper divisors (196169567777).

111211111200223 is an equidigital number, since it uses as much as digits as its factorization.

111211111200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36045581.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111211111200223 its reverse (322002111112111), we get a palindrome (433213222312334).

The spelling of 111211111200223 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred eleven million, two hundred thousand, two hundred twenty-three".

Divisors: 1 643 4799 3085757 36040139 23173809377 172956627061 111211111200223