11221210211219 has 2 divisors, whose sum is σ = 11221210211220. Its totient is φ = 11221210211218.

The previous prime is 11221210211173. The next prime is 11221210211221. The reversal of 11221210211219 is 91211201212211.

11221210211219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221210211219 - 2⁸ = 11221210210963 is a prime.

It is a super-2 number, since 2×11221210211219² (a number of 27 digits) contains 22 as substring.

Together with 11221210211221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11221210811219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610605105609 + 5610605105610.

It is an arithmetic number, because the mean of its divisors is an integer number (5610605105610).

Almost surely, 2^{11221210211219} is an apocalyptic number.

11221210211219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221210211219 is an equidigital number, since it uses as much as digits as its factorization.

11221210211219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11221210211219 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, two hundred eleven thousand, two hundred nineteen".