11021101110221 has 4 divisors (see below), whose sum is σ = 11094088534944. Its totient is φ = 10948113685500.

The previous prime is 11021101110209. The next prime is 11021101110311. The reversal of 11021101110221 is 12201110112011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11021101110221 - 2⁶ = 11021101110157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021101110196 and 11021101110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021101115221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36493712135 + ... + 36493712436.

It is an arithmetic number, because the mean of its divisors is an integer number (2773522133736).

Almost surely, 2^{11021101110221} is an apocalyptic number.

It is an amenable number.

11021101110221 is a deficient number, since it is larger than the sum of its proper divisors (72987424723).

11021101110221 is an equidigital number, since it uses as much as digits as its factorization.

11021101110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72987424722.

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

Adding to 11021101110221 its reverse (12201110112011), we get a palindrome (23222211222232).

The spelling of 11021101110221 in words is "eleven trillion, twenty-one billion, one hundred one million, one hundred ten thousand, two hundred twenty-one".