10321221309 has 32 divisors (see below), whose sum is σ = 16032522240. Its totient is φ = 5784480000.

The previous prime is 10321221283. The next prime is 10321221353. The reversal of 10321221309 is 90312212301.

It is not a de Polignac number, because 10321221309 - 2⁵ = 10321221277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321221389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229909 + ... + 271109.

It is an arithmetic number, because the mean of its divisors is an integer number (501016320).

Almost surely, 2^10321221309 is an apocalyptic number.

It is an amenable number.

10321221309 is a deficient number, since it is larger than the sum of its proper divisors (5711300931).

10321221309 is a wasteful number, since it uses less digits than its factorization.

10321221309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41441.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 10321221309 in words is "ten billion, three hundred twenty-one million, two hundred twenty-one thousand, three hundred nine".