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100211212001 is a prime number
BaseRepresentation
bin101110101010100001…
…1011011111011100001
3100120122220002000122102
41131111003123323201
53120213032241001
6114011510020145
710145220150635
oct1352503337341
9316586060572
10100211212001
113955468687a
1217508647655
1395b04c1164
144bc9120dc5
152917a5ae6b
hex17550dbee1

100211212001 has 2 divisors, whose sum is σ = 100211212002. Its totient is φ = 100211212000.

The previous prime is 100211211929. The next prime is 100211212007. The reversal of 100211212001 is 100212112001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79411803601 + 20799408400 = 281801^2 + 144220^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211212001 - 218 = 100210949857 is a prime.

It is not a weakly prime, because it can be changed into another prime (100211212007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105606000 + 50105606001.

It is an arithmetic number, because the mean of its divisors is an integer number (50105606001).

Almost surely, 2100211212001 is an apocalyptic number.

It is an amenable number.

100211212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211212001 is an equidigital number, since it uses as much as digits as its factorization.

100211212001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 100211212001 its reverse (100212112001), we get a palindrome (200423324002).

The spelling of 100211212001 in words is "one hundred billion, two hundred eleven million, two hundred twelve thousand, one".