221001100012027 has 2 divisors, whose sum is σ = 221001100012028. Its totient is φ = 221001100012026.

The previous prime is 221001100012001. The next prime is 221001100012051. The reversal of 221001100012027 is 720210001100122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221001100012027 - 2⁴³ = 212205006989819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221001100011995 and 221001100012013.

It is not a weakly prime, because it can be changed into another prime (221001100012097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500550006013 + 110500550006014.

It is an arithmetic number, because the mean of its divisors is an integer number (110500550006014).

Almost surely, 2^{221001100012027} is an apocalyptic number.

221001100012027 is a deficient number, since it is larger than the sum of its proper divisors (1).

221001100012027 is an equidigital number, since it uses as much as digits as its factorization.

221001100012027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 221001100012027 its reverse (720210001100122), we get a palindrome (941211101112149).

The spelling of 221001100012027 in words is "two hundred twenty-one trillion, one billion, one hundred million, twelve thousand, twenty-seven".