11110221122211 has 12 divisors (see below), whose sum is σ = 16642471146392. Its totient is φ = 7406814081312.

The previous prime is 11110221122207. The next prime is 11110221122267. The reversal of 11110221122211 is 11222112201111.

It is a happy number.

11110221122211 is a `hidden beast` number, since 1 + 1 + 110 + 221 + 122 + 211 = 666.

It is not a de Polignac number, because 11110221122211 - 2² = 11110221122207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110221122411) 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 11 ways as a sum of consecutive naturals, for example, 22860537046 + ... + 22860537531.

Almost surely, 2^{11110221122211} is an apocalyptic number.

11110221122211 is a deficient number, since it is larger than the sum of its proper divisors (5532250024181).

11110221122211 is an frugal number, since it uses more digits than its factorization.

11110221122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45721074592 (or 45721074580 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11110221122211 its reverse (11222112201111), we get a palindrome (22332333323322).

The spelling of 11110221122211 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred eleven".