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210101113232201 = 732878097441537
BaseRepresentation
bin101111110001010111111010…
…001110001001101101001001
31000112220110200211020201010202
4233301113322032021231021
5210014244034441412301
62022503041410021545
762153206306164422
oct5761277216115511
91015813624221122
10210101113232201
1160a43422105284
121b6930058778b5
1390305b075b5c9
1439c4d3b998649
15194532ad1866b
hexbf15fa389b49

210101113232201 has 4 divisors (see below), whose sum is σ = 212979210673812. Its totient is φ = 207223015790592.

The previous prime is 210101113232189. The next prime is 210101113232239. The reversal of 210101113232201 is 102232311101012.

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 80217459216400 + 129883654015801 = 8956420^2 + 11396651^2 .

It is a cyclic number.

It is not a de Polignac number, because 210101113232201 - 238 = 209826235325257 is a prime.

It is a super-2 number, since 2×2101011132322012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210101113292201) 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, 1439048720696 + ... + 1439048720841.

It is an arithmetic number, because the mean of its divisors is an integer number (53244802668453).

Almost surely, 2210101113232201 is an apocalyptic number.

It is an amenable number.

210101113232201 is a deficient number, since it is larger than the sum of its proper divisors (2878097441611).

210101113232201 is an equidigital number, since it uses as much as digits as its factorization.

210101113232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878097441610.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 210101113232201 its reverse (102232311101012), we get a palindrome (312333424333213).

The spelling of 210101113232201 in words is "two hundred ten trillion, one hundred one billion, one hundred thirteen million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 73 2878097441537 210101113232201