11011212002223 has 8 divisors (see below), whose sum is σ = 16312906670000. Its totient is φ = 7340808001464.

The previous prime is 11011212002221. The next prime is 11011212002227. The reversal of 11011212002223 is 32220021211011.

It is not a de Polignac number, because 11011212002223 - 2¹ = 11011212002221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011212002196 and 11011212002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011212002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203911333348 + ... + 203911333401.

It is an arithmetic number, because the mean of its divisors is an integer number (2039113333750).

Almost surely, 2^{11011212002223} is an apocalyptic number.

11011212002223 is a deficient number, since it is larger than the sum of its proper divisors (5301694667777).

11011212002223 is an equidigital number, since it uses as much as digits as its factorization.

11011212002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407822666758 (or 407822666752 counting only the distinct ones).

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

Adding to 11011212002223 its reverse (32220021211011), we get a palindrome (43231233213234).

The spelling of 11011212002223 in words is "eleven trillion, eleven billion, two hundred twelve million, two thousand, two hundred twenty-three".