11010220011211 has 4 divisors (see below), whose sum is σ = 11035073781432. Its totient is φ = 10985366240992.

The previous prime is 11010220011173. The next prime is 11010220011283. The reversal of 11010220011211 is 11211002201011.

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 11010220011211 - 2¹³ = 11010220003019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010220011191 and 11010220011200.

It is not an unprimeable number, because it can be changed into a prime (11010220011311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12426884446 + ... + 12426885331.

It is an arithmetic number, because the mean of its divisors is an integer number (2758768445358).

Almost surely, 2^{11010220011211} is an apocalyptic number.

11010220011211 is a deficient number, since it is larger than the sum of its proper divisors (24853770221).

11010220011211 is an equidigital number, since it uses as much as digits as its factorization.

11010220011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24853770220.

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

Adding to 11010220011211 its reverse (11211002201011), we get a palindrome (22221222212222).

The spelling of 11010220011211 in words is "eleven trillion, ten billion, two hundred twenty million, eleven thousand, two hundred eleven".