11210220121211 has 2 divisors, whose sum is σ = 11210220121212. Its totient is φ = 11210220121210.

The previous prime is 11210220121201. The next prime is 11210220121223. The reversal of 11210220121211 is 11212102201211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11210220121211 - 2²² = 11210215926907 is a prime.

It is a super-3 number, since 3×11210220121211³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11210220121211.

It is not a weakly prime, because it can be changed into another prime (11210220121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605110060605 + 5605110060606.

It is an arithmetic number, because the mean of its divisors is an integer number (5605110060606).

Almost surely, 2^{11210220121211} is an apocalyptic number.

11210220121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210220121211 is an equidigital number, since it uses as much as digits as its factorization.

11210220121211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11210220121211 its reverse (11212102201211), we get a palindrome (22422322322422).

The spelling of 11210220121211 in words is "eleven trillion, two hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, two hundred eleven".