21333010312113 has 8 divisors (see below), whose sum is σ = 29941067104800. Its totient is φ = 13473480197088.

The previous prime is 21333010312111. The next prime is 21333010312127. The reversal of 21333010312113 is 31121301033312.

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

It is not a de Polignac number, because 21333010312113 - 2¹ = 21333010312111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21333010312111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187131669348 + ... + 187131669461.

It is an arithmetic number, because the mean of its divisors is an integer number (3742633388100).

Almost surely, 2^{21333010312113} is an apocalyptic number.

It is an amenable number.

21333010312113 is a deficient number, since it is larger than the sum of its proper divisors (8608056792687).

21333010312113 is a wasteful number, since it uses less digits than its factorization.

21333010312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374263338831.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21333010312113 its reverse (31121301033312), we get a palindrome (52454311345425).

The spelling of 21333010312113 in words is "twenty-one trillion, three hundred thirty-three billion, ten million, three hundred twelve thousand, one hundred thirteen".