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221002100010143 is a prime number
BaseRepresentation
bin110010010000000000001111…
…101010100110110010011111
31001222111121001100001120001122
4302100000033222212302133
5212431344300100311033
62102010544012401155
764356606030024134
oct6220001752466237
91058447040046048
10221002100010143
1164466511a40a51
12209538301761bb
139641540930aaa
143c807b717858b
151a83b89c06a98
hexc9000faa6c9f

221002100010143 has 2 divisors, whose sum is σ = 221002100010144. Its totient is φ = 221002100010142.

The previous prime is 221002100010101. The next prime is 221002100010169. The reversal of 221002100010143 is 341010001200122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221002100010143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002100010173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501050005071 + 110501050005072.

It is an arithmetic number, because the mean of its divisors is an integer number (110501050005072).

Almost surely, 2221002100010143 is an apocalyptic number.

221002100010143 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002100010143 is an equidigital number, since it uses as much as digits as its factorization.

221002100010143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221002100010143 its reverse (341010001200122), we get a palindrome (562012101210265).

The spelling of 221002100010143 in words is "two hundred twenty-one trillion, two billion, one hundred million, ten thousand, one hundred forty-three".