20221021020227 has 2 divisors, whose sum is σ = 20221021020228. Its totient is φ = 20221021020226.

The previous prime is 20221021020209. The next prime is 20221021020247. The reversal of 20221021020227 is 72202012012202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221021020227 - 2²⁰ = 20221019971651 is a prime.

It is a super-2 number, since 2×20221021020227² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20221021020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110510510113 + 10110510510114.

It is an arithmetic number, because the mean of its divisors is an integer number (10110510510114).

Almost surely, 2^{20221021020227} is an apocalyptic number.

20221021020227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221021020227 is an equidigital number, since it uses as much as digits as its factorization.

20221021020227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 20221021020227 its reverse (72202012012202), we get a palindrome (92423033032429).

The spelling of 20221021020227 in words is "twenty trillion, two hundred twenty-one billion, twenty-one million, twenty thousand, two hundred twenty-seven".