2121110027 has 2 divisors, whose sum is σ = 2121110028. Its totient is φ = 2121110026.

The previous prime is 2121109999. The next prime is 2121110059. The reversal of 2121110027 is 7200111212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121110027 - 2¹⁴ = 2121093643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121109987 and 2121110014.

It is not a weakly prime, because it can be changed into another prime (2121110527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060555013 + 1060555014.

It is an arithmetic number, because the mean of its divisors is an integer number (1060555014).

Almost surely, 2^2121110027 is an apocalyptic number.

2121110027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121110027 is an equidigital number, since it uses as much as digits as its factorization.

2121110027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 2121110027 is about 46055.5102783587. The cubic root of 2121110027 is about 1284.8558286273.

Adding to 2121110027 its reverse (7200111212), we get a palindrome (9321221239).

The spelling of 2121110027 in words is "two billion, one hundred twenty-one million, one hundred ten thousand, twenty-seven".