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211020110201 = 339211622091
BaseRepresentation
bin1100010010000111000…
…1110101100101111001
3202011200100120021202002
43010201301311211321
511424132122011301
6240535153150345
721150163225115
oct3044161654571
9664610507662
10211020110201
118154739509a
1234a9225b3b5
1316b8c468144
14a2db908745
155750b8716b
hex3121c75979

211020110201 has 4 divisors (see below), whose sum is σ = 211021071504. Its totient is φ = 211019148900.

The previous prime is 211020110173. The next prime is 211020110227. The reversal of 211020110201 is 102011020112.

211020110201 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 211020110201 - 210 = 211020109177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211020110281) 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 3 ways as a sum of consecutive naturals, for example, 28166 + ... + 650256.

It is an arithmetic number, because the mean of its divisors is an integer number (52755267876).

Almost surely, 2211020110201 is an apocalyptic number.

It is an amenable number.

211020110201 is a deficient number, since it is larger than the sum of its proper divisors (961303).

211020110201 is an equidigital number, since it uses as much as digits as its factorization.

211020110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961302.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211020110201 its reverse (102011020112), we get a palindrome (313031130313).

The spelling of 211020110201 in words is "two hundred eleven billion, twenty million, one hundred ten thousand, two hundred one".

Divisors: 1 339211 622091 211020110201