11010211110221 has 4 divisors (see below), whose sum is σ = 11010229164000. Its totient is φ = 11010193056444.

The previous prime is 11010211110193. The next prime is 11010211110259. The reversal of 11010211110221 is 12201111201011.

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 11010211110221 - 2³⁴ = 10993031241037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010211110196 and 11010211110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010211112221) 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, 8078921 + ... + 9342878.

It is an arithmetic number, because the mean of its divisors is an integer number (2752557291000).

Almost surely, 2^{11010211110221} is an apocalyptic number.

It is an amenable number.

11010211110221 is a deficient number, since it is larger than the sum of its proper divisors (18053779).

11010211110221 is an equidigital number, since it uses as much as digits as its factorization.

11010211110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18053778.

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

Adding to 11010211110221 its reverse (12201111201011), we get a palindrome (23211322311232).

The spelling of 11010211110221 in words is "eleven trillion, ten billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-one".