202221001211027 has 2 divisors, whose sum is σ = 202221001211028. Its totient is φ = 202221001211026.

The previous prime is 202221001210999. The next prime is 202221001211029. The reversal of 202221001211027 is 720112100122202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202221001211027 - 2¹⁰ = 202221001210003 is a prime.

Together with 202221001211029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 202221001210993 and 202221001211011.

It is not a weakly prime, because it can be changed into another prime (202221001211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110500605513 + 101110500605514.

It is an arithmetic number, because the mean of its divisors is an integer number (101110500605514).

Almost surely, 2^{202221001211027} is an apocalyptic number.

202221001211027 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221001211027 is an equidigital number, since it uses as much as digits as its factorization.

202221001211027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 202221001211027 its reverse (720112100122202), we get a palindrome (922333101333229).

The spelling of 202221001211027 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred eleven thousand, twenty-seven".