11211201221219 has 2 divisors, whose sum is σ = 11211201221220. Its totient is φ = 11211201221218.

The previous prime is 11211201221197. The next prime is 11211201221251. The reversal of 11211201221219 is 91212210211211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211201221219 is a prime.

It is a super-2 number, since 2×11211201221219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11211201221279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605600610609 + 5605600610610.

It is an arithmetic number, because the mean of its divisors is an integer number (5605600610610).

Almost surely, 2^{11211201221219} is an apocalyptic number.

11211201221219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211201221219 is an equidigital number, since it uses as much as digits as its factorization.

11211201221219 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11211201221219 in words is "eleven trillion, two hundred eleven billion, two hundred one million, two hundred twenty-one thousand, two hundred nineteen".