9444231122221 has 8 divisors (see below), whose sum is σ = 10793555700480. Its totient is φ = 8094943719888.

The previous prime is 9444231122203. The next prime is 9444231122231. The reversal of 9444231122221 is 1222211324449.

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 9444231122221 - 2⁷ = 9444231122093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9444231122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747461 + ... + 9767626.

It is an arithmetic number, because the mean of its divisors is an integer number (1349194462560).

Almost surely, 2^{9444231122221} is an apocalyptic number.

It is an amenable number.

9444231122221 is a deficient number, since it is larger than the sum of its proper divisors (1349324578259).

9444231122221 is a wasteful number, since it uses less digits than its factorization.

9444231122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587963.

The product of its digits is 55296, while the sum is 37.

The spelling of 9444231122221 in words is "nine trillion, four hundred forty-four billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred twenty-one".