11011221211219 has 2 divisors, whose sum is σ = 11011221211220. Its totient is φ = 11011221211218.

The previous prime is 11011221211157. The next prime is 11011221211229. The reversal of 11011221211219 is 91211212211011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011221211219 - 2⁷ = 11011221211091 is a prime.

It is a super-3 number, since 3×11011221211219³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11011221211193 and 11011221211202.

It is not a weakly prime, because it can be changed into another prime (11011221211229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505610605609 + 5505610605610.

It is an arithmetic number, because the mean of its divisors is an integer number (5505610605610).

Almost surely, 2^{11011221211219} is an apocalyptic number.

11011221211219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011221211219 is an equidigital number, since it uses as much as digits as its factorization.

11011221211219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 11011221211219 in words is "eleven trillion, eleven billion, two hundred twenty-one million, two hundred eleven thousand, two hundred nineteen".