10111210321 has 2 divisors, whose sum is σ = 10111210322. Its totient is φ = 10111210320.

The previous prime is 10111210247. The next prime is 10111210331. The reversal of 10111210321 is 12301211101.

It is a happy number.

10111210321 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., 5529409600 + 4581800721 = 74360^2 + 67689^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111210321 - 2²⁷ = 9976992593 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111210331) 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, 5055605160 + 5055605161.

It is an arithmetic number, because the mean of its divisors is an integer number (5055605161).

Almost surely, 2^10111210321 is an apocalyptic number.

It is an amenable number.

10111210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111210321 is an equidigital number, since it uses as much as digits as its factorization.

10111210321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10111210321 its reverse (12301211101), we get a palindrome (22412421422).

The spelling of 10111210321 in words is "ten billion, one hundred eleven million, two hundred ten thousand, three hundred twenty-one".