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210010122021001 = 1972519414231313
BaseRepresentation
bin101111110000000011001010…
…101110001110100010001001
31000112120202211111020020212111
4233300003022232032202021
5210011301212214133001
62022353152420342321
762143505412513331
oct5760031256164211
91015522744206774
10210010122021001
1160a08879a23585
121b679450b449a1
139024b3c488633
1439c078919a0c1
151942ca2944851
hexbf00cab8e889

210010122021001 has 8 divisors (see below), whose sum is σ = 211077050934024. Its totient is φ = 208943202074880.

The previous prime is 210010122020977. The next prime is 210010122021071. The reversal of 210010122021001 is 100120221010012.

It can be written as a sum of positive squares in 4 ways, for example, as 181307840803600 + 28702281217401 = 13465060^2 + 5357451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210010122021001 - 27 = 210010122020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210010122021071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47516721 + ... + 51748033.

It is an arithmetic number, because the mean of its divisors is an integer number (26384631366753).

Almost surely, 2210010122021001 is an apocalyptic number.

It is an amenable number.

210010122021001 is a deficient number, since it is larger than the sum of its proper divisors (1066928913023).

210010122021001 is a wasteful number, since it uses less digits than its factorization.

210010122021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483451.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210010122021001 its reverse (100120221010012), we get a palindrome (310130343031013).

The spelling of 210010122021001 in words is "two hundred ten trillion, ten billion, one hundred twenty-two million, twenty-one thousand, one".

Divisors: 1 197 251941 4231313 49632377 833568661 1066041228533 210010122021001