11000012211211 has 2 divisors, whose sum is σ = 11000012211212. Its totient is φ = 11000012211210.

The previous prime is 11000012211203. The next prime is 11000012211241. The reversal of 11000012211211 is 11211221000011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11000012211211 - 2³ = 11000012211203 is a prime.

It is a super-2 number, since 2×11000012211211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11000012211191 and 11000012211200.

It is not a weakly prime, because it can be changed into another prime (11000012211241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500006105605 + 5500006105606.

It is an arithmetic number, because the mean of its divisors is an integer number (5500006105606).

Almost surely, 2^{11000012211211} is an apocalyptic number.

11000012211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000012211211 is an equidigital number, since it uses as much as digits as its factorization.

11000012211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11000012211211 its reverse (11211221000011), we get a palindrome (22211233211222).

The spelling of 11000012211211 in words is "eleven trillion, twelve million, two hundred eleven thousand, two hundred eleven".