10322001221 has 12 divisors (see below), whose sum is σ = 11960426592. Its totient is φ = 8726200416.

The previous prime is 10322001187. The next prime is 10322001241. The reversal of 10322001221 is 12210022301.

It is a happy number.

It is not a de Polignac number, because 10322001221 - 2¹⁰ = 10322000197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10322001196 and 10322001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10322001241) 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 11 ways as a sum of consecutive naturals, for example, 101051 + ... + 175656.

It is an arithmetic number, because the mean of its divisors is an integer number (996702216).

Almost surely, 2^10322001221 is an apocalyptic number.

It is an amenable number.

10322001221 is a deficient number, since it is larger than the sum of its proper divisors (1638425371).

10322001221 is an frugal number, since it uses more digits than its factorization.

10322001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276860 (or 276787 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10322001221 its reverse (12210022301), we get a palindrome (22532023522).

The spelling of 10322001221 in words is "ten billion, three hundred twenty-two million, one thousand, two hundred twenty-one".