20021100110227 has 2 divisors, whose sum is σ = 20021100110228. Its totient is φ = 20021100110226.

The previous prime is 20021100110173. The next prime is 20021100110237. The reversal of 20021100110227 is 72201100112002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20021100110227 - 2²³ = 20021091721619 is a prime.

It is not a weakly prime, because it can be changed into another prime (20021100110237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010550055113 + 10010550055114.

It is an arithmetic number, because the mean of its divisors is an integer number (10010550055114).

Almost surely, 2^{20021100110227} is an apocalyptic number.

20021100110227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021100110227 is an equidigital number, since it uses as much as digits as its factorization.

20021100110227 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20021100110227 its reverse (72201100112002), we get a palindrome (92222200222229).

The spelling of 20021100110227 in words is "twenty trillion, twenty-one billion, one hundred million, one hundred ten thousand, two hundred twenty-seven".