10221321308 has 24 divisors (see below), whose sum is σ = 19527225984. Its totient is φ = 4642770800.

The previous prime is 10221321293. The next prime is 10221321343. The reversal of 10221321308 is 80312312201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18608 + ... + 144183.

It is an arithmetic number, because the mean of its divisors is an integer number (813634416).

Almost surely, 2^10221321308 is an apocalyptic number.

It is an amenable number.

10221321308 is a deficient number, since it is larger than the sum of its proper divisors (9305904676).

10221321308 is a wasteful number, since it uses less digits than its factorization.

10221321308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164233 (or 164231 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10221321308 its reverse (80312312201), we get a palindrome (90533633509).

The spelling of 10221321308 in words is "ten billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred eight".