221001110012027 has 2 divisors, whose sum is σ = 221001110012028. Its totient is φ = 221001110012026.

The previous prime is 221001110011973. The next prime is 221001110012071. The reversal of 221001110012027 is 720210011100122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221001110012027 - 2¹⁴ = 221001109995643 is a prime.

It is not a weakly prime, because it can be changed into another prime (221001110012227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500555006013 + 110500555006014.

It is an arithmetic number, because the mean of its divisors is an integer number (110500555006014).

Almost surely, 2^{221001110012027} is an apocalyptic number.

221001110012027 is a deficient number, since it is larger than the sum of its proper divisors (1).

221001110012027 is an equidigital number, since it uses as much as digits as its factorization.

221001110012027 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 221001110012027 its reverse (720210011100122), we get a palindrome (941211121112149).

The spelling of 221001110012027 in words is "two hundred twenty-one trillion, one billion, one hundred ten million, twelve thousand, twenty-seven".