22021210121227 has 2 divisors, whose sum is σ = 22021210121228. Its totient is φ = 22021210121226.

The previous prime is 22021210121189. The next prime is 22021210121231. The reversal of 22021210121227 is 72212101212022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021210121227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021210121237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010605060613 + 11010605060614.

It is an arithmetic number, because the mean of its divisors is an integer number (11010605060614).

Almost surely, 2^{22021210121227} is an apocalyptic number.

22021210121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021210121227 is an equidigital number, since it uses as much as digits as its factorization.

22021210121227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 22021210121227 its reverse (72212101212022), we get a palindrome (94233311333249).

The spelling of 22021210121227 in words is "twenty-two trillion, twenty-one billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-seven".