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110201302001221 = 698091578611669
BaseRepresentation
bin11001000011101000111101…
…011101011010011001000101
3112110012010211012202222111221
4121003220331131122121011
5103421014231303014341
61030213440152200341
732132531665350514
oct3103507535323105
9473163735688457
10110201302001221
1132128123046162
12104399010990b1
134964c27279452
141d2dab2d0467b
15cb18c711eed1
hex643a3d75a645

110201302001221 has 4 divisors (see below), whose sum is σ = 110202880682700. Its totient is φ = 110199723319744.

The previous prime is 110201302001183. The next prime is 110201302001269. The reversal of 110201302001221 is 122100203102011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42161256648900 + 68040045352321 = 6493170^2 + 8248639^2 .

It is a cyclic number.

It is not a de Polignac number, because 110201302001221 - 219 = 110201301476933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201302001195 and 110201302001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201302001521) 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, 789236026 + ... + 789375643.

It is an arithmetic number, because the mean of its divisors is an integer number (27550720170675).

Almost surely, 2110201302001221 is an apocalyptic number.

It is an amenable number.

110201302001221 is a deficient number, since it is larger than the sum of its proper divisors (1578681479).

110201302001221 is an equidigital number, since it uses as much as digits as its factorization.

110201302001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578681478.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110201302001221 its reverse (122100203102011), we get a palindrome (232301505103232).

The spelling of 110201302001221 in words is "one hundred ten trillion, two hundred one billion, three hundred two million, one thousand, two hundred twenty-one".

Divisors: 1 69809 1578611669 110201302001221