9981224719271 has 8 divisors (see below), whose sum is σ = 10749036308304. Its totient is φ = 9213416712000.

The previous prime is 9981224719267. The next prime is 9981224719327. The reversal of 9981224719271 is 1729174221899.

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 9981224719271 - 2² = 9981224719267 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 (9981224719211) 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, 8703080 + ... + 9782946.

It is an arithmetic number, because the mean of its divisors is an integer number (1343629538538).

Almost surely, 2^{9981224719271} is an apocalyptic number.

9981224719271 is a deficient number, since it is larger than the sum of its proper divisors (767811589033).

9981224719271 is a wasteful number, since it uses less digits than its factorization.

9981224719271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790881.

The product of its digits is 9144576, while the sum is 62.

The spelling of 9981224719271 in words is "nine trillion, nine hundred eighty-one billion, two hundred twenty-four million, seven hundred nineteen thousand, two hundred seventy-one".