22111012121227 has 2 divisors, whose sum is σ = 22111012121228. Its totient is φ = 22111012121226.

The previous prime is 22111012121203. The next prime is 22111012121239. The reversal of 22111012121227 is 72212121011122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111012121227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111012121287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055506060613 + 11055506060614.

It is an arithmetic number, because the mean of its divisors is an integer number (11055506060614).

Almost surely, 2^{22111012121227} is an apocalyptic number.

22111012121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111012121227 is an equidigital number, since it uses as much as digits as its factorization.

22111012121227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 22111012121227 its reverse (72212121011122), we get a palindrome (94323133132349).

The spelling of 22111012121227 in words is "twenty-two trillion, one hundred eleven billion, twelve million, one hundred twenty-one thousand, two hundred twenty-seven".