20211222122227 has 2 divisors, whose sum is σ = 20211222122228. Its totient is φ = 20211222122226.

The previous prime is 20211222122159. The next prime is 20211222122249. The reversal of 20211222122227 is 72222122211202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211222122227 - 2³⁵ = 20176862383859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211222122195 and 20211222122204.

It is not a weakly prime, because it can be changed into another prime (20211822122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105611061113 + 10105611061114.

It is an arithmetic number, because the mean of its divisors is an integer number (10105611061114).

Almost surely, 2^{20211222122227} is an apocalyptic number.

20211222122227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211222122227 is an equidigital number, since it uses as much as digits as its factorization.

20211222122227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 20211222122227 its reverse (72222122211202), we get a palindrome (92433344333429).

The spelling of 20211222122227 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-seven".