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111112101241 = 5771493128981
BaseRepresentation
bin110011101111011001…
…1000001110101111001
3101121210121000120110221
41213132303001311321
53310024144214431
6123013313540041
711012314164061
oct1473663016571
9347717016427
10111112101241
1143138980249
121964b274621
13a629a2698b
145540b923a1
152d54a6e111
hex19decc1d79

111112101241 has 8 divisors (see below), whose sum is σ = 111380084424. Its totient is φ = 110844380160.

The previous prime is 111112101239. The next prime is 111112101253. The reversal of 111112101241 is 142101211111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104222437225 + 6889664016 = 322835^2 + 83004^2 .

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 111112101241 - 21 = 111112101239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112101281) 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, 796971 + ... + 925951.

It is an arithmetic number, because the mean of its divisors is an integer number (13922510553).

Almost surely, 2111112101241 is an apocalyptic number.

It is an amenable number.

111112101241 is a deficient number, since it is larger than the sum of its proper divisors (267983183).

111112101241 is a wasteful number, since it uses less digits than its factorization.

111112101241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131051.

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

Adding to 111112101241 its reverse (142101211111), we get a palindrome (253213312352).

The spelling of 111112101241 in words is "one hundred eleven billion, one hundred twelve million, one hundred one thousand, two hundred forty-one".

Divisors: 1 577 1493 128981 861461 74422037 192568633 111112101241