11012220011211 has 8 divisors (see below), whose sum is σ = 14683000311504. Its totient is φ = 7341459859200.

The previous prime is 11012220011207. The next prime is 11012220011213. The reversal of 11012220011211 is 11211002221011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11012220011211 - 2² = 11012220011207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012220011213) 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 7 ways as a sum of consecutive naturals, for example, 3711966 + ... + 5983571.

It is an arithmetic number, because the mean of its divisors is an integer number (1835375038938).

Almost surely, 2^{11012220011211} is an apocalyptic number.

11012220011211 is a deficient number, since it is larger than the sum of its proper divisors (3670780300293).

11012220011211 is an equidigital number, since it uses as much as digits as its factorization.

11012220011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074141.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012220011211 its reverse (11211002221011), we get a palindrome (22223222232222).

The spelling of 11012220011211 in words is "eleven trillion, twelve billion, two hundred twenty million, eleven thousand, two hundred eleven".