10021322123 has 4 divisors (see below), whose sum is σ = 10044466488. Its totient is φ = 9998177760.

The previous prime is 10021322083. The next prime is 10021322137. The reversal of 10021322123 is 32122312001.

10021322123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10021322123 - 2¹⁴ = 10021305739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021322023) 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 3 ways as a sum of consecutive naturals, for example, 11571533 + ... + 11572398.

It is an arithmetic number, because the mean of its divisors is an integer number (2511116622).

Almost surely, 2^10021322123 is an apocalyptic number.

10021322123 is a deficient number, since it is larger than the sum of its proper divisors (23144365).

10021322123 is an equidigital number, since it uses as much as digits as its factorization.

10021322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23144364.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10021322123 its reverse (32122312001), we get a palindrome (42143634124).

The spelling of 10021322123 in words is "ten billion, twenty-one million, three hundred twenty-two thousand, one hundred twenty-three".