11011011010221 has 8 divisors (see below), whose sum is σ = 15544956720384. Its totient is φ = 6908869653440.

The previous prime is 11011011010217. The next prime is 11011011010303. The reversal of 11011011010221 is 12201011011011.

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 11011011010221 - 2² = 11011011010217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011011010197 and 11011011010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011011010201) 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, 107951088285 + ... + 107951088386.

It is an arithmetic number, because the mean of its divisors is an integer number (1943119590048).

Almost surely, 2^{11011011010221} is an apocalyptic number.

It is an amenable number.

11011011010221 is a deficient number, since it is larger than the sum of its proper divisors (4533945710163).

11011011010221 is a wasteful number, since it uses less digits than its factorization.

11011011010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215902176691.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011011010221 its reverse (12201011011011), we get a palindrome (23212022021232).

The spelling of 11011011010221 in words is "eleven trillion, eleven billion, eleven million, ten thousand, two hundred twenty-one".