10203122321 has 8 divisors (see below), whose sum is σ = 11667500544. Its totient is φ = 8740441440.

The previous prime is 10203122291. The next prime is 10203122329. The reversal of 10203122321 is 12322130201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10203122321 - 2¹⁸ = 10202860177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10203122321.

It is not an unprimeable number, because it can be changed into a prime (10203122329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411425 + ... + 435518.

It is an arithmetic number, because the mean of its divisors is an integer number (1458437568).

Almost surely, 2^10203122321 is an apocalyptic number.

It is an amenable number.

10203122321 is a deficient number, since it is larger than the sum of its proper divisors (1464378223).

10203122321 is an equidigital number, since it uses as much as digits as its factorization.

10203122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848671.

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

Adding to 10203122321 its reverse (12322130201), we get a palindrome (22525252522).

The spelling of 10203122321 in words is "ten billion, two hundred three million, one hundred twenty-two thousand, three hundred twenty-one".