11010211210221 has 8 divisors (see below), whose sum is σ = 15318554727360. Its totient is φ = 7021004249952.

The previous prime is 11010211210181. The next prime is 11010211210231. The reversal of 11010211210221 is 12201211201011.

It is a happy number.

11010211210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11010211210221 - 2⁶ = 11010211210157 is a prime.

It is a super-3 number, since 3×11010211210221³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11010211210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010211210231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79784139136 + ... + 79784139273.

It is an arithmetic number, because the mean of its divisors is an integer number (1914819340920).

Almost surely, 2^{11010211210221} is an apocalyptic number.

It is an amenable number.

11010211210221 is a deficient number, since it is larger than the sum of its proper divisors (4308343517139).

11010211210221 is a wasteful number, since it uses less digits than its factorization.

11010211210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159568278435.

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

Adding to 11010211210221 its reverse (12201211201011), we get a palindrome (23211422411232).

The spelling of 11010211210221 in words is "eleven trillion, ten billion, two hundred eleven million, two hundred ten thousand, two hundred twenty-one".