9921322231299 has 16 divisors (see below), whose sum is σ = 14701004250240. Its totient is φ = 6612977729160.

The previous prime is 9921322231277. The next prime is 9921322231333.

9921322231299 is a `hidden beast` number, since 9 + 9 + 2 + 1 + 322 + 23 + 1 + 299 = 666.

9921322231299 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9921322231299 - 2¹³ = 9921322223107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9921322231259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34216617 + ... + 34505354.

It is an arithmetic number, because the mean of its divisors is an integer number (918812765640).

Almost surely, 2^{9921322231299} is an apocalyptic number.

9921322231299 is a deficient number, since it is larger than the sum of its proper divisors (4779682018941).

9921322231299 is a wasteful number, since it uses less digits than its factorization.

9921322231299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68727327 (or 68727321 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The spelling of 9921322231299 in words is "nine trillion, nine hundred twenty-one billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred ninety-nine".