11020121010211 has 2 divisors, whose sum is σ = 11020121010212. Its totient is φ = 11020121010210.

The previous prime is 11020121010179. The next prime is 11020121010251. The reversal of 11020121010211 is 11201012102011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11201012102011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11020121010211 - 2⁵ = 11020121010179 is a prime.

It is a super-2 number, since 2×11020121010211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11020121010191 and 11020121010200.

It is not a weakly prime, because it can be changed into another prime (11020121010251) 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, 5510060505105 + 5510060505106.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060505106).

Almost surely, 2^{11020121010211} is an apocalyptic number.

11020121010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020121010211 is an equidigital number, since it uses as much as digits as its factorization.

11020121010211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11020121010211 its reverse (11201012102011), we get a palindrome (22221133112222).

The spelling of 11020121010211 in words is "eleven trillion, twenty billion, one hundred twenty-one million, ten thousand, two hundred eleven".