11020121100211 has 4 divisors (see below), whose sum is σ = 11023372836000. Its totient is φ = 11016869364424.

The previous prime is 11020121100199. The next prime is 11020121100239. The reversal of 11020121100211 is 11200112102011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020121100211 - 2⁹ = 11020121099699 is a prime.

It is a super-2 number, since 2×11020121100211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020121100191 and 11020121100200.

It is not an unprimeable number, because it can be changed into a prime (11020121100251) 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 in 3 ways as a sum of consecutive naturals, for example, 1625862811 + ... + 1625869588.

It is an arithmetic number, because the mean of its divisors is an integer number (2755843209000).

Almost surely, 2^{11020121100211} is an apocalyptic number.

11020121100211 is a deficient number, since it is larger than the sum of its proper divisors (3251735789).

11020121100211 is an equidigital number, since it uses as much as digits as its factorization.

11020121100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251735788.

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

Adding to 11020121100211 its reverse (11200112102011), we get a palindrome (22220233202222).

The spelling of 11020121100211 in words is "eleven trillion, twenty billion, one hundred twenty-one million, one hundred thousand, two hundred eleven".