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2021112110027 is a prime number
BaseRepresentation
bin11101011010010011101…
…010110101101111001011
321011012211210000011101002
4131122103222311233023
5231103214200010102
64144252554445215
7266010020323163
oct35322352655713
97135753004332
102021112110027
1170a1701065aa
1228785643380b
1311878946ca7a
146db727475a3
15378916c2902
hex1d693ab5bcb

2021112110027 has 2 divisors, whose sum is σ = 2021112110028. Its totient is φ = 2021112110026.

The previous prime is 2021112110021. The next prime is 2021112110047. The reversal of 2021112110027 is 7200112111202.

It is a happy number.

It is an a-pointer prime, because the next prime (2021112110047) can be obtained adding 2021112110027 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021112110027 - 24 = 2021112110011 is a prime.

It is a super-2 number, since 2×20211121100272 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021112109990 and 2021112110008.

It is not a weakly prime, because it can be changed into another prime (2021112110021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010556055013 + 1010556055014.

It is an arithmetic number, because the mean of its divisors is an integer number (1010556055014).

Almost surely, 22021112110027 is an apocalyptic number.

2021112110027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021112110027 is an equidigital number, since it uses as much as digits as its factorization.

2021112110027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 2021112110027 its reverse (7200112111202), we get a palindrome (9221224221229).

The spelling of 2021112110027 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, twenty-seven".