10111424221 has 2 divisors, whose sum is σ = 10111424222. Its totient is φ = 10111424220.

The previous prime is 10111424179. The next prime is 10111424249. The reversal of 10111424221 is 12242411101.

It is a happy number.

10111424221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8796564100 + 1314860121 = 93790^2 + 36261^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111424221 - 2⁷ = 10111424093 is a prime.

It is a super-3 number, since 3×10111424221³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111424261) 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 as a sum of consecutive naturals, namely, 5055712110 + 5055712111.

It is an arithmetic number, because the mean of its divisors is an integer number (5055712111).

Almost surely, 2^10111424221 is an apocalyptic number.

It is an amenable number.

10111424221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111424221 is an equidigital number, since it uses as much as digits as its factorization.

10111424221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10111424221 its reverse (12242411101), we get a palindrome (22353835322).

The spelling of 10111424221 in words is "ten billion, one hundred eleven million, four hundred twenty-four thousand, two hundred twenty-one".