11020212211 has 4 divisors (see below), whose sum is σ = 11600223400. Its totient is φ = 10440201024.

The previous prime is 11020212191. The next prime is 11020212221. The reversal of 11020212211 is 11221202011.

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 11020212211 - 2⁵ = 11020212179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020212191 and 11020212200.

It is not an unprimeable number, because it can be changed into a prime (11020212221) 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 in 3 ways as a sum of consecutive naturals, for example, 290005566 + ... + 290005603.

It is an arithmetic number, because the mean of its divisors is an integer number (2900055850).

Almost surely, 2^11020212211 is an apocalyptic number.

11020212211 is a deficient number, since it is larger than the sum of its proper divisors (580011189).

11020212211 is an equidigital number, since it uses as much as digits as its factorization.

11020212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580011188.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11020212211 its reverse (11221202011), we get a palindrome (22241414222).

The spelling of 11020212211 in words is "eleven billion, twenty million, two hundred twelve thousand, two hundred eleven".