11212204223 has 8 divisors (see below), whose sum is σ = 12352600656. Its totient is φ = 10091992000.

The previous prime is 11212204207. The next prime is 11212204273. The reversal of 11212204223 is 32240221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212204223 - 2⁴ = 11212204207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11212204195 and 11212204204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212204273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044886 + ... + 5047107.

It is an arithmetic number, because the mean of its divisors is an integer number (1544075082).

Almost surely, 2^11212204223 is an apocalyptic number.

11212204223 is a deficient number, since it is larger than the sum of its proper divisors (1140396433).

11212204223 is a wasteful number, since it uses less digits than its factorization.

11212204223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092105.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11212204223 its reverse (32240221211), we get a palindrome (43452425434).

The spelling of 11212204223 in words is "eleven billion, two hundred twelve million, two hundred four thousand, two hundred twenty-three".