11421110223 has 12 divisors (see below), whose sum is σ = 17066027160. Its totient is φ = 7351519056.

The previous prime is 11421110219. The next prime is 11421110227. The reversal of 11421110223 is 32201112411.

11421110223 is a `hidden beast` number, since 11 + 421 + 1 + 10 + 223 = 666.

11421110223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11421110219) and next prime (11421110227).

It is not a de Polignac number, because 11421110223 - 2² = 11421110219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11421110196 and 11421110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21879261 + ... + 21879782.

It is an arithmetic number, because the mean of its divisors is an integer number (1422168930).

Almost surely, 2^11421110223 is an apocalyptic number.

11421110223 is a deficient number, since it is larger than the sum of its proper divisors (5644916937).

11421110223 is a wasteful number, since it uses less digits than its factorization.

11421110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43759078 (or 43759075 counting only the distinct ones).

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

Adding to 11421110223 its reverse (32201112411), we get a palindrome (43622222634).

The spelling of 11421110223 in words is "eleven billion, four hundred twenty-one million, one hundred ten thousand, two hundred twenty-three".