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10001210211101 = 18895294446909
BaseRepresentation
bin1001000110001001011010…
…0101001111101100011101
31022102002212112110100100202
42101202112211033230131
52302324434303223401
633134254220033245
72051364212101454
oct221422645175435
938362775410322
1010001210211101
11320654248458a
121156375092825
13577157ab6675
142680bdb59b9b
1512524b2e906b
hex9189694fb1d

10001210211101 has 4 divisors (see below), whose sum is σ = 10006504659900. Its totient is φ = 9995915762304.

The previous prime is 10001210211059. The next prime is 10001210211137. The reversal of 10001210211101 is 10111201210001.

10001210211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8107487443225 + 1893722767876 = 2847365^2 + 1376126^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001210211101 - 218 = 10001209948957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001210211191) 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, 2647221566 + ... + 2647225343.

It is an arithmetic number, because the mean of its divisors is an integer number (2501626164975).

Almost surely, 210001210211101 is an apocalyptic number.

It is an amenable number.

10001210211101 is a deficient number, since it is larger than the sum of its proper divisors (5294448799).

10001210211101 is an equidigital number, since it uses as much as digits as its factorization.

10001210211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294448798.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10001210211101 its reverse (10111201210001), we get a palindrome (20112411421102).

The spelling of 10001210211101 in words is "ten trillion, one billion, two hundred ten million, two hundred eleven thousand, one hundred one".

Divisors: 1 1889 5294446909 10001210211101