11011211220019 has 2 divisors, whose sum is σ = 11011211220020. Its totient is φ = 11011211220018.

The previous prime is 11011211219963. The next prime is 11011211220029. The reversal of 11011211220019 is 91002211211011.

It is a happy number.

11011211220019 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 an emirp because it is prime and its reverse (91002211211011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011211220019 - 2⁷ = 11011211219891 is a prime.

It is a super-2 number, since 2×11011211220019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11011211220029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505605610009 + 5505605610010.

It is an arithmetic number, because the mean of its divisors is an integer number (5505605610010).

Almost surely, 2^{11011211220019} is an apocalyptic number.

11011211220019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011211220019 is an equidigital number, since it uses as much as digits as its factorization.

11011211220019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11011211220019 in words is "eleven trillion, eleven billion, two hundred eleven million, two hundred twenty thousand, nineteen".