11220221002111 has 6 divisors (see below), whose sum is σ = 12332970192536. Its totient is φ = 10200200910900.

The previous prime is 11220221002093. The next prime is 11220221002153. The reversal of 11220221002111 is 11120012202211.

It is not a de Polignac number, because 11220221002111 - 2⁵ = 11220221002079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220221002511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46364549475 + ... + 46364549716.

Almost surely, 2^{11220221002111} is an apocalyptic number.

11220221002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220221002111 is a deficient number, since it is larger than the sum of its proper divisors (1112749190425).

11220221002111 is an equidigital number, since it uses as much as digits as its factorization.

11220221002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92729099213 (or 92729099202 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11220221002111 its reverse (11120012202211), we get a palindrome (22340233204322).

The spelling of 11220221002111 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-one million, two thousand, one hundred eleven".