11101220012223 has 32 divisors (see below), whose sum is σ = 18358606759680. Its totient is φ = 6571546722720.

The previous prime is 11101220012219. The next prime is 11101220012227. The reversal of 11101220012223 is 32221002210111.

It is an interprime number because it is at equal distance from previous prime (11101220012219) and next prime (11101220012227).

It is not a de Polignac number, because 11101220012223 - 2² = 11101220012219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101220012196 and 11101220012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101220012227) 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 31 ways as a sum of consecutive naturals, for example, 434613336 + ... + 434638877.

It is an arithmetic number, because the mean of its divisors is an integer number (573706461240).

Almost surely, 2^{11101220012223} is an apocalyptic number.

11101220012223 is a deficient number, since it is larger than the sum of its proper divisors (7257386747457).

11101220012223 is a wasteful number, since it uses less digits than its factorization.

11101220012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869252276 (or 869252270 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11101220012223 its reverse (32221002210111), we get a palindrome (43322222222334).

The spelling of 11101220012223 in words is "eleven trillion, one hundred one billion, two hundred twenty million, twelve thousand, two hundred twenty-three".