21121033323299 has 8 divisors (see below), whose sum is σ = 25995117936480. Its totient is φ = 16711147244736.

The previous prime is 21121033323293. The next prime is 21121033323319. The reversal of 21121033323299 is 99232333012112.

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

It is a de Polignac number, because none of the positive numbers 2^k-21121033323299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21121033323293) 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, 116049633554 + ... + 116049633735.

It is an arithmetic number, because the mean of its divisors is an integer number (3249389742060).

Almost surely, 2^{21121033323299} is an apocalyptic number.

21121033323299 is a deficient number, since it is larger than the sum of its proper divisors (4874084613181).

21121033323299 is a wasteful number, since it uses less digits than its factorization.

21121033323299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232099267309.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 21121033323299 in words is "twenty-one trillion, one hundred twenty-one billion, thirty-three million, three hundred twenty-three thousand, two hundred ninety-nine".