11012002223 has 4 divisors (see below), whose sum is σ = 11030386800. Its totient is φ = 10993617648.

The previous prime is 11012002213. The next prime is 11012002237. The reversal of 11012002223 is 32220021011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012002223 - 2³⁰ = 9938260399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012002198 and 11012002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012002213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9191390 + ... + 9192587.

It is an arithmetic number, because the mean of its divisors is an integer number (2757596700).

Almost surely, 2^11012002223 is an apocalyptic number.

11012002223 is a deficient number, since it is larger than the sum of its proper divisors (18384577).

11012002223 is an equidigital number, since it uses as much as digits as its factorization.

11012002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384576.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11012002223 its reverse (32220021011), we get a palindrome (43232023234).

The spelling of 11012002223 in words is "eleven billion, twelve million, two thousand, two hundred twenty-three".