11212122101227 has 2 divisors, whose sum is σ = 11212122101228. Its totient is φ = 11212122101226.

The previous prime is 11212122101221. The next prime is 11212122101251. The reversal of 11212122101227 is 72210122121211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (72210122121211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11212122101227 - 2⁴³ = 2416029079019 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212122101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606061050613 + 5606061050614.

It is an arithmetic number, because the mean of its divisors is an integer number (5606061050614).

Almost surely, 2^{11212122101227} is an apocalyptic number.

11212122101227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212122101227 is an equidigital number, since it uses as much as digits as its factorization.

11212122101227 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 11212122101227 its reverse (72210122121211), we get a palindrome (83422244222438).

The spelling of 11212122101227 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-seven".