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112221111112001 = 892303954729431
BaseRepresentation
bin11001100001000010000011…
…011101101101000101000001
3112201100020022011221220221122
4121201002003131231011001
5104202112313421041001
61034401400003202025
732431464514462253
oct3141020335550501
9481306264856848
10112221111112001
1132836784696081
1210705253076315
134a805367a1038
141d9d760589cd3
15ce91de20db1b
hex66108376d141

112221111112001 has 8 divisors (see below), whose sum is σ = 113486950195200. Its totient is φ = 110955381533920.

The previous prime is 112221111111953. The next prime is 112221111112063. The reversal of 112221111112001 is 100211111122211.

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 112221111112001 - 218 = 112221110849857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112221111117001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25314245 + ... + 29415186.

It is an arithmetic number, because the mean of its divisors is an integer number (14185868774400).

Almost surely, 2112221111112001 is an apocalyptic number.

It is an amenable number.

112221111112001 is a deficient number, since it is larger than the sum of its proper divisors (1265839083199).

112221111112001 is an equidigital number, since it uses as much as digits as its factorization.

112221111112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54752559.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112221111112001 its reverse (100211111122211), we get a palindrome (212432222234212).

The spelling of 112221111112001 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, one".

Divisors: 1 89 23039 2050471 54729431 4870919359 1260911360809 112221111112001