20011222210027 has 2 divisors, whose sum is σ = 20011222210028. Its totient is φ = 20011222210026.

The previous prime is 20011222209997. The next prime is 20011222210033. The reversal of 20011222210027 is 72001222211002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011222210027 - 2¹¹ = 20011222207979 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011222220027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005611105013 + 10005611105014.

It is an arithmetic number, because the mean of its divisors is an integer number (10005611105014).

Almost surely, 2^{20011222210027} is an apocalyptic number.

20011222210027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011222210027 is an equidigital number, since it uses as much as digits as its factorization.

20011222210027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 20011222210027 its reverse (72001222211002), we get a palindrome (92012444421029).

The spelling of 20011222210027 in words is "twenty trillion, eleven billion, two hundred twenty-two million, two hundred ten thousand, twenty-seven".