11211021010211 has 8 divisors (see below), whose sum is σ = 12236713651200. Its totient is φ = 10186413188040.

The previous prime is 11211021010207. The next prime is 11211021010229. The reversal of 11211021010211 is 11201012011211.

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

It is a cyclic number.

It is not a de Polignac number, because 11211021010211 - 2² = 11211021010207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211021012211) 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 7 ways as a sum of consecutive naturals, for example, 271183091 + ... + 271224428.

It is an arithmetic number, because the mean of its divisors is an integer number (1529589206400).

Almost surely, 2^{11211021010211} is an apocalyptic number.

11211021010211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11211021010211 is a deficient number, since it is larger than the sum of its proper divisors (1025692640989).

11211021010211 is a wasteful number, since it uses less digits than its factorization.

11211021010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542409409.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11211021010211 its reverse (11201012011211), we get a palindrome (22412033021422).

The spelling of 11211021010211 in words is "eleven trillion, two hundred eleven billion, twenty-one million, ten thousand, two hundred eleven".