19992333101221 has 8 divisors (see below), whose sum is σ = 22663373556320. Its totient is φ = 17483173885872.

The previous prime is 19992333101219. The next prime is 19992333101231. The reversal of 19992333101221 is 12210133329991.

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

It is a cyclic number.

It is not a de Polignac number, because 19992333101221 - 2¹ = 19992333101219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19992333101231) 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, 40470309675 + ... + 40470310168.

It is an arithmetic number, because the mean of its divisors is an integer number (2832921694540).

Almost surely, 2^{19992333101221} is an apocalyptic number.

It is an amenable number.

19992333101221 is a deficient number, since it is larger than the sum of its proper divisors (2671040455099).

19992333101221 is a wasteful number, since it uses less digits than its factorization.

19992333101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80940619875.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 19992333101221 in words is "nineteen trillion, nine hundred ninety-two billion, three hundred thirty-three million, one hundred one thousand, two hundred twenty-one".