21321231202299 has 8 divisors (see below), whose sum is σ = 32489495165440. Its totient is φ = 12183560687016.

The previous prime is 21321231202289. The next prime is 21321231202303. The reversal of 21321231202299 is 99220213212312.

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

It is not a de Polignac number, because 21321231202299 - 2⁴ = 21321231202283 is a prime.

It is a super-2 number, since 2×21321231202299² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21321231202289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507648361939 + ... + 507648361980.

It is an arithmetic number, because the mean of its divisors is an integer number (4061186895680).

Almost surely, 2^{21321231202299} is an apocalyptic number.

21321231202299 is a deficient number, since it is larger than the sum of its proper divisors (11168263963141).

21321231202299 is a wasteful number, since it uses less digits than its factorization.

21321231202299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015296723929.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 21321231202299 in words is "twenty-one trillion, three hundred twenty-one billion, two hundred thirty-one million, two hundred two thousand, two hundred ninety-nine".