11101000222221 has 128 divisors (see below), whose sum is σ = 19236620992512. Its totient is φ = 5537693952000.

The previous prime is 11101000222217. The next prime is 11101000222223. The reversal of 11101000222221 is 12222200010111.

It is not a de Polignac number, because 11101000222221 - 2² = 11101000222217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101000222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101000222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 112182756 + ... + 112281666.

It is an arithmetic number, because the mean of its divisors is an integer number (150286101504).

Almost surely, 2^{11101000222221} is an apocalyptic number.

It is an amenable number.

11101000222221 is a deficient number, since it is larger than the sum of its proper divisors (8135620770291).

11101000222221 is a wasteful number, since it uses less digits than its factorization.

11101000222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99283.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11101000222221 its reverse (12222200010111), we get a palindrome (23323200232332).

The spelling of 11101000222221 in words is "eleven trillion, one hundred one billion, two hundred twenty-two thousand, two hundred twenty-one".