11011211210011 has 2 divisors, whose sum is σ = 11011211210012. Its totient is φ = 11011211210010.

The previous prime is 11011211209979. The next prime is 11011211210047. The reversal of 11011211210011 is 11001211211011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011211210011 - 2⁵ = 11011211209979 is a prime.

It is a super-2 number, since 2×11011211210011² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011211209973 and 11011211210000.

It is not a weakly prime, because it can be changed into another prime (11011211216011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505605605005 + 5505605605006.

It is an arithmetic number, because the mean of its divisors is an integer number (5505605605006).

Almost surely, 2^{11011211210011} is an apocalyptic number.

11011211210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011211210011 is an equidigital number, since it uses as much as digits as its factorization.

11011211210011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11011211210011 its reverse (11001211211011), we get a palindrome (22012422421022).

It can be divided in two parts, 1101121 and 1210011, that added together give a palindrome (2311132).

The spelling of 11011211210011 in words is "eleven trillion, eleven billion, two hundred eleven million, two hundred ten thousand, eleven".