11000211100221 has 32 divisors (see below), whose sum is σ = 17656315637760. Its totient is φ = 5950996468416.

The previous prime is 11000211100217. The next prime is 11000211100223. The reversal of 11000211100221 is 12200111200011.

It is not a de Polignac number, because 11000211100221 - 2² = 11000211100217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000211100197 and 11000211100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000211100223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8676846 + ... + 9863471.

It is an arithmetic number, because the mean of its divisors is an integer number (551759863680).

Almost surely, 2^{11000211100221} is an apocalyptic number.

It is an amenable number.

11000211100221 is a deficient number, since it is larger than the sum of its proper divisors (6656104537539).

11000211100221 is a wasteful number, since it uses less digits than its factorization.

11000211100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541833.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11000211100221 its reverse (12200111200011), we get a palindrome (23200322300232).

The spelling of 11000211100221 in words is "eleven trillion, two hundred eleven million, one hundred thousand, two hundred twenty-one".