21112141311994 has 8 divisors (see below), whose sum is σ = 33045090749280. Its totient is φ = 10097111062236.

The previous prime is 21112141311959. The next prime is 21112141312001. The reversal of 21112141311994 is 49911314121112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229479796824 + ... + 229479796915.

It is an arithmetic number, because the mean of its divisors is an integer number (4130636343660).

Almost surely, 2^{21112141311994} is an apocalyptic number.

21112141311994 is a deficient number, since it is larger than the sum of its proper divisors (11932949437286).

21112141311994 is a wasteful number, since it uses less digits than its factorization.

21112141311994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458959593764.

The product of its digits is 15552, while the sum is 40.

The spelling of 21112141311994 in words is "twenty-one trillion, one hundred twelve billion, one hundred forty-one million, three hundred eleven thousand, nine hundred ninety-four".