10011333421 has 2 divisors, whose sum is σ = 10011333422. Its totient is φ = 10011333420.

The previous prime is 10011333389. The next prime is 10011333427. The reversal of 10011333421 is 12433311001.

10011333421 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., 9488708100 + 522625321 = 97410^2 + 22861^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011333421 - 2⁵ = 10011333389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011333427) 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, 5005666710 + 5005666711.

It is an arithmetic number, because the mean of its divisors is an integer number (5005666711).

Almost surely, 2^10011333421 is an apocalyptic number.

It is an amenable number.

10011333421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011333421 is an equidigital number, since it uses as much as digits as its factorization.

10011333421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10011333421 its reverse (12433311001), we get a palindrome (22444644422).

The spelling of 10011333421 in words is "ten billion, eleven million, three hundred thirty-three thousand, four hundred twenty-one".