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112211101222201 = 128431787370253
BaseRepresentation
bin11001100000111000101110…
…110101000000010100111001
3112201022021110120120211120101
4121200320232311000110321
5104201431313403102301
61034353022424355401
732430661460020132
oct3140705665002471
9481267416524511
10112211101222201
1132832508336783
121070331a915b61
134a7c5cca30217
141d9d090db0c89
15ce8d0554a701
hex660e2ed40539

112211101222201 has 4 divisors (see below), whose sum is σ = 112211189876772. Its totient is φ = 112211012567632.

The previous prime is 112211101222189. The next prime is 112211101222273. The reversal of 112211101222201 is 102222101112211.

It is a happy number.

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 64789298672400 + 47421802549801 = 8049180^2 + 6886349^2 .

It is a cyclic number.

It is not a de Polignac number, because 112211101222201 - 245 = 77026729133369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112211101262201) 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, 42400810 + ... + 44969443.

It is an arithmetic number, because the mean of its divisors is an integer number (28052797469193).

Almost surely, 2112211101222201 is an apocalyptic number.

It is an amenable number.

112211101222201 is a deficient number, since it is larger than the sum of its proper divisors (88654571).

112211101222201 is an equidigital number, since it uses as much as digits as its factorization.

112211101222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88654570.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112211101222201 its reverse (102222101112211), we get a palindrome (214433202334412).

The spelling of 112211101222201 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 1284317 87370253 112211101222201