11210121227 has 2 divisors, whose sum is σ = 11210121228. Its totient is φ = 11210121226.

The previous prime is 11210121193. The next prime is 11210121229. The reversal of 11210121227 is 72212101211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (72212101211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11210121227 - 2¹⁰ = 11210120203 is a prime.

Together with 11210121229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11210121199 and 11210121208.

It is not a weakly prime, because it can be changed into another prime (11210121229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605060613 + 5605060614.

It is an arithmetic number, because the mean of its divisors is an integer number (5605060614).

Almost surely, 2^11210121227 is an apocalyptic number.

11210121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210121227 is an equidigital number, since it uses as much as digits as its factorization.

11210121227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 11210121227 its reverse (72212101211), we get a palindrome (83422222438).

The spelling of 11210121227 in words is "eleven billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-seven".